Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job

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Holly Cummins IBM Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job Agile Manchester 2026

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@hollycummins.com #Quarkus #IBM invisible forces shaping your job

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history 101

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geography 101

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geography 101

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norway geography 101

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@hollycummins.com #Quarkus #IBM

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@hollycummins.com #Quarkus #IBM ski_regions:

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@hollycummins.com #Quarkus #IBM ski_regions: - fr

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@hollycummins.com #Quarkus #IBM ski_regions: - fr - ch

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@hollycummins.com #Quarkus #IBM ski_regions: - fr - ch - se

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@hollycummins.com #Quarkus #IBM ski_regions: - fr - ch - se - no

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@hollycummins.com #Quarkus #IBM ski_regions: - fr - ch - se - no

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@hollycummins.com #Quarkus #IBM ski_regions: - fr - ch - se - no {"ski_regions": ["fr", "ch", "se", false]}

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@hollycummins.com #Quarkus #IBM ski_regions: - fr - ch - se - no {"ski_regions": ["fr", "ch", "se", false]}

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@hollycummins.com #Quarkus #IBM ski_regions: - fr - ch - se - no {"ski_regions": ["fr", "ch", "se", false]}

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@hollycummins.com #Quarkus #IBM ski_regions: - fr - ch - se - no {"ski_regions": ["fr", "ch", "se", false]}

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@hollycummins.com #Quarkus #IBM ski_regions: - fr - ch - se - no {"ski_regions": ["fr", "ch", "se", false]}

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@hollycummins.com #Quarkus #IBM ski_regions: - fr - ch - se - no {"ski_regions": ["fr", "ch", "se", false]} false - no

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@hollycummins.com #Quarkus #IBM sensible decision had a bad outcome … because geography

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how can we know what outcomes our decisions will have?

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how can we make decisions in a complex world?

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@hollycummins.com #Quarkus #IBM systems thinking

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how can we make fast decisions in an uncertain world?

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statistics 101

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@hollycummins.com #Quarkus #IBM what do you call a statistician who lives in san francisco?

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geography 201

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@hollycummins.com #Quarkus #IBM what do you call a statistician who lives in san francisco?

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@hollycummins.com #Quarkus #IBM what do you call a statistician who lives in san francisco? a data scientist.

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@hollycummins.com #Quarkus #IBM statistics

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@hollycummins.com #Quarkus #IBM data science statistics

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@hollycummins.com #Quarkus #IBM data science statistics machine learning

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@hollycummins.com #Quarkus #IBM data science statistics AI machine learning

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@hollycummins.com #Quarkus #IBM even if you’re not doing AI, statistics is important

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Bayes’ theorem statistics 101

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how can we detect spam?

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@hollycummins.com #Quarkus #IBM “spamicity”

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Exciting offer just for you! Deep discounts on Viagra. Limited time offer, act now.

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Exciting offer just for you! Deep discounts on Viagra. Limited time offer, act now.

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Exciting offer just for you! Deep discounts on Ozempic. Limited time offer, act now.

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Exciting offer just for you! Deep discounts on Ozempic. Limited time offer, act now.

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banned-words:

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banned-words: - Ozempic

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banned-words: - Ozempic

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banned-words: - Ozempic

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Exciting offer just for you! Deep discounts on Ozemp1c. Limited time offer, act now.

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Exciting offer just for you! Deep discounts on 0zempic. Limited time offer, act now.

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Exciting offer just for you! Deep discounts on Ozempick. Limited time offer, act now.

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banned-words:

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banned-words: - Ozempic - Ozempick - Ozempik - 0zempic - Ozemp1c - Øzempic - 0zempick - …

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banned-words: - Ozempic - Ozempick - Ozempik - 0zempic - Ozemp1c - Øzempic - 0zempick - …

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Dear friend, Exciting offer just for you! Deep discounts on Ozemp1c. Limited time offer, act now.

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Dear friend, Exciting offer just for you! Deep discounts on Ozemp1c. Limited time offer, act now. Hey Alice, How is the data science course and San Francico? We had drama yesterday because the dog threw up, on the clean dishes in the dishwasher! On the bright side, at least it was easy to clean up. I started my Ozempic on Sunday, and so far so good. I can see my appetite is less already.

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offer act discount Ozemp1c dog dishwasher yesterday Ozempic

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@hollycummins.com #Quarkus #IBM P(spam | 0zemp1c)

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@hollycummins.com #Quarkus #IBM P(spam | 0zemp1c) “probability of”

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@hollycummins.com #Quarkus #IBM P(spam | 0zemp1c) “given” “probability of”

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@hollycummins.com #Quarkus #IBM P(A | B) = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM probability of A, given B P(A | B) = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM probability of A, given B probability of B, given A P(A | B) = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM probability of A, given B probability of B, given A probability of A P(A | B) = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM probability of A, given B probability of B, given A probability of A probability of B P(A | B) = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM probability of A, given B probability of B, given A probability of A probability of B guidance for a decision P(A | B) = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM P(spam | Ozemp1c) = P(Ozemp1c | spam) · P(spam) P(Ozemp1c)

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@hollycummins.com #Quarkus #IBM is this email spam? P(spam | Ozemp1c) = P(Ozemp1c | spam) · P(spam) P(Ozemp1c)

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@hollycummins.com #Quarkus #IBM is this email spam? what proportion of spam talks about Ozemp1c? P(spam | Ozemp1c) = P(Ozemp1c | spam) · P(spam) P(Ozemp1c)

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@hollycummins.com #Quarkus #IBM is this email spam? what proportion of spam talks about Ozemp1c? what proportion of emails are spam? P(spam | Ozemp1c) = P(Ozemp1c | spam) · P(spam) P(Ozemp1c)

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@hollycummins.com #Quarkus #IBM is this email spam? what proportion of spam talks about Ozemp1c? what proportion of emails are spam? what proportion of all emails mention Ozemp1c? P(spam | Ozemp1c) = P(Ozemp1c | spam) · P(spam) P(Ozemp1c)

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@hollycummins.com #Quarkus #IBM P(spam | Ozemp1c) = P(Ozemp1c | spam) · P(spam) P(Ozemp1c) what proportion of spam talks about Ozemp1c? what proportion of emails are spam? what proportion of all emails mention Ozemp1c? is this email spam?

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@hollycummins.com #Quarkus #IBM P(spam | Ozemp1c) = P(Ozemp1c | spam) · P(spam) P(Ozemp1c) 1% what proportion of spam talks about Ozemp1c? what proportion of emails are spam? what proportion of all emails mention Ozemp1c? is this email spam?

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@hollycummins.com #Quarkus #IBM P(spam | Ozemp1c) = P(Ozemp1c | spam) · P(spam) P(Ozemp1c) 1% 0.001% what proportion of spam talks about Ozemp1c? what proportion of emails are spam? what proportion of all emails mention Ozemp1c? is this email spam?

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@hollycummins.com #Quarkus #IBM P(spam | Ozemp1c) = P(Ozemp1c | spam) · P(spam) P(Ozemp1c) 1% 6% 0.001% what proportion of spam talks about Ozemp1c? what proportion of emails are spam? what proportion of all emails mention Ozemp1c? is this email spam?

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@hollycummins.com #Quarkus #IBM P(spam | Ozemp1c) = P(Ozemp1c | spam) · P(spam) P(Ozemp1c) 1% 6% 0.001% 60%

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@hollycummins.com #Quarkus #IBM P(A | B) = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM P(A | B) what if I don’t know any of these numbers?? = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM P(A | B) what if I don’t know any of these numbers?? or this one? = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM P(A | B) what if I don’t know any of these numbers?? or this one? most useless formula ever? = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM P(A | B) = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM guess! P(A | B) = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM guess! guess! P(A | B) = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM guess! guess! guess! or ignore, because it’s a normalizing factor P(A | B) = P(B | A) · P(A) P(B)

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@hollycummins.com #Quarkus #IBM P(A | B) = P(B | A) · P(A) P(B) P(A

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@hollycummins.com #Quarkus #IBM recursion P(A | B) = P(B | A) · P(A) P(B) P(A P(A P(A)

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@hollycummins.com #Quarkus #IBM recursion P(A | B) = P(B | A) · P(A) P(B) P(A (cheating) P(A P(A)

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@hollycummins.com #Quarkus #IBM recursion P(A | B) = P(B | A) · P(A) P(B) P(A (cheating) (iteration) P(A P(A)

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@hollycummins.com #Quarkus #IBM

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@hollycummins.com #Quarkus #IBM "ignorance... coined into science."

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@hollycummins.com #Quarkus #IBM "ignorance... coined into science." “a staggering falsity”

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@hollycummins.com #Quarkus #IBM "ignorance... coined into science." “a staggering falsity” “perhaps the only error to which the mathematical world has so deeply committed itself”

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@hollycummins.com #Quarkus #IBM

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@hollycummins.com #Quarkus #IBM

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@hollycummins.com #Quarkus #IBM cowpox?

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@hollycummins.com #Quarkus #IBM cowpox? chickenpox?

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@hollycummins.com #Quarkus #IBM P(chickenpox | spots) P(cowpox | spots) = = P(spots | chickenpox) · P(chickenpox) P(spots) P(spots | cowpox) · P(cowpox) P(spots)

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@hollycummins.com #Quarkus #IBM P(chickenpox | spots) P(cowpox | spots) = = P(spots | chickenpox) · P(chickenpox) P(spots) P(spots | cowpox) · P(cowpox) P(spots)

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@hollycummins.com #Quarkus #IBM P(chickenpox | spots) P(cowpox | spots) = = P(spots | chickenpox) · P(chickenpox) P(spots) P(spots | cowpox) · P(cowpox) P(spots) 85%

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@hollycummins.com #Quarkus #IBM P(chickenpox | spots) P(cowpox | spots) = = P(spots | chickenpox) · P(chickenpox) P(spots) P(spots | cowpox) · P(cowpox) P(spots) 85% 1%

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@hollycummins.com #Quarkus #IBM P(chickenpox | spots) P(cowpox | spots) = = P(spots | chickenpox) · P(chickenpox) P(spots) P(spots | cowpox) · P(cowpox) P(spots) 85% 1% 90%

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@hollycummins.com #Quarkus #IBM P(chickenpox | spots) P(cowpox | spots) = = P(spots | chickenpox) · P(chickenpox) P(spots) P(spots | cowpox) · P(cowpox) P(spots) 85% 1% 90% 0.0001%

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@hollycummins.com #Quarkus #IBM P(chickenpox | spots) P(cowpox | spots) = = P(spots | chickenpox) · P(chickenpox) P(spots) P(spots | cowpox) · P(cowpox) P(spots) 85% 1% 90% 0.0001% 0.85%

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@hollycummins.com #Quarkus #IBM P(chickenpox | spots) P(cowpox | spots) = = P(spots | chickenpox) · P(chickenpox) P(spots) P(spots | cowpox) · P(cowpox) P(spots) 85% 1% 90% 0.0001% 0.85% 0.0009%

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@hollycummins.com #Quarkus #IBM P(chickenpox | spots) P(cowpox | spots) = = P(spots | chickenpox) · P(chickenpox) P(spots) P(spots | cowpox) · P(cowpox) P(spots) 85% 1% 90% 0.0001% 0.85% 0.0009%

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@hollycummins.com #Quarkus #IBM it’s chickenpox

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@hollycummins.com #Quarkus #IBM common sense it’s chickenpox

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@hollycummins.com #Quarkus #IBM magic static analysis tool 99% accurate

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@hollycummins.com #Quarkus #IBM ✓ code is clean ☺

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@hollycummins.com #Quarkus #IBM what’s the chance the code is clean? ✓ code is clean ☺

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@hollycummins.com #Quarkus #IBM P(clean code | clean report) = P(clean report | clean code) · P(clean code) P(clean report)

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@hollycummins.com #Quarkus #IBM P(clean code | clean report) = P(clean report | clean code) · P(clean code) P(clean report) 99%

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@hollycummins.com #Quarkus #IBM P(clean code | clean report) = P(clean report | clean code) · P(clean code) P(clean report) 99% 1.98%

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@hollycummins.com #Quarkus #IBM P(clean code | clean report) = P(clean report | clean code) · P(clean code) P(clean report) 99% 1% 1.98%

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@hollycummins.com #Quarkus #IBM P(clean code | clean report) = P(clean report | clean code) · P(clean code) P(clean report) 99% 1% 1.98% 50%

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@hollycummins.com #Quarkus #IBM not common-sense

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@hollycummins.com #Quarkus #IBM bayes is everywhere

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@hollycummins.com #Quarkus #IBM artificial intelligence

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@hollycummins.com #Quarkus #IBM medicine

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@hollycummins.com #Quarkus #IBM top tip

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@hollycummins.com #Quarkus #IBM tired: “we have no idea” top tip

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@hollycummins.com #Quarkus #IBM tired: “we have no idea” wired: “we are adopting bayesian thinking” top tip

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why does concurrency make my head hurt?

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@hollycummins.com #Quarkus #IBM concurrency is hard

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@hollycummins.com #Quarkus #IBM amdahl’s law

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@hollycummins.com #Quarkus #IBM 𝖯 ( 𝖼𝗈 𝗇𝖼 𝗎 𝗋 𝗋𝖾 𝗇𝖼 𝗒 ∣ 𝗁 𝖾𝖺𝖽𝖺 𝖼𝗁𝖾 ) = 𝖯 ( 𝗁 𝖾 𝖺 𝖽 𝖺𝖼 𝗁𝖾 ∣ 𝖼𝗈𝗇 𝖼 𝗎𝗋𝗋 𝖾𝗇 𝖼𝗒 ) ⋅ 𝖯 ( 𝖼𝗈𝗇 𝖼𝗎𝗋𝗋 𝖾𝗇 𝖼𝗒 ) 𝖯 ( 𝗁 𝖾𝖺𝖽 𝖺 𝖼𝗁𝖾 )

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@hollycummins.com #Quarkus #IBM 𝖯 ( 𝖼𝗈 𝗇𝖼 𝗎 𝗋 𝗋𝖾 𝗇𝖼 𝗒 ∣ 𝗁 𝖾𝖺𝖽𝖺 𝖼𝗁𝖾 ) = 𝖯 ( 𝗁 𝖾 𝖺 𝖽 𝖺𝖼 𝗁𝖾 ∣ 𝖼𝗈𝗇 𝖼 𝗎𝗋𝗋 𝖾𝗇 𝖼𝗒 ) ⋅ 𝖯 ( 𝖼𝗈𝗇 𝖼𝗎𝗋𝗋 𝖾𝗇 𝖼𝗒 ) 𝖯 ( 𝗁 𝖾𝖺𝖽 𝖺 𝖼𝗁𝖾 ) can I blame concurrency for my headache?

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@hollycummins.com #Quarkus #IBM 𝖯 ( 𝖼𝗈 𝗇𝖼 𝗎 𝗋 𝗋𝖾 𝗇𝖼 𝗒 ∣ 𝗁 𝖾𝖺𝖽𝖺 𝖼𝗁𝖾 ) = 𝖯 ( 𝗁 𝖾 𝖺 𝖽 𝖺𝖼 𝗁𝖾 ∣ 𝖼𝗈𝗇 𝖼 𝗎𝗋𝗋 𝖾𝗇 𝖼𝗒 ) ⋅ 𝖯 ( 𝖼𝗈𝗇 𝖼𝗎𝗋𝗋 𝖾𝗇 𝖼𝗒 ) 𝖯 ( 𝗁 𝖾𝖺𝖽 𝖺 𝖼𝗁𝖾 ) can I blame concurrency for my headache? how many devs can cope with concurrency?

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chip design electrical engineering 101

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@hollycummins.com #Quarkus #IBM cores per cpu amd + intel sources: https://www.reddit.com/r/Amd/comments/6cu5ss/highest_amount_of_cores_per_cpu_amd_vs_intel_year/ and https://www.servethehome.com/amd-and-intel-2p-server-core-count-growth-2010-2022/

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@hollycummins.com #Quarkus #IBM sources: https://www.reddit.com/r/Amd/comments/6cu5ss/highest_amount_of_cores_per_cpu_amd_vs_intel_year/ and https://www.servethehome.com/amd-and-intel-2p-server-core-count-growth-2010-2022/ 1 2 48 128 P(concurrency)

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@hollycummins.com #Quarkus #IBM

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@hollycummins.com #Quarkus #IBM why?

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@hollycummins.com #Quarkus #IBM why? single-processor performance has plateaued

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@hollycummins.com #Quarkus #IBM we have to get good at concurrency

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@hollycummins.com #Quarkus #IBM but not all of us have to :)

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@hollycummins.com #Quarkus #IBM strong foundations and clean abstractions : good outcomes with unskilled inputs

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@hollycummins.com #Quarkus #IBM the quarkus team: P(headache | concurrency) < 0.10

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@hollycummins.com #Quarkus #IBM 2022

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@hollycummins.com #Quarkus #IBM 2022

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@hollycummins.com #Quarkus #IBM 2022 people thought they had to do reactive programming

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@hollycummins.com #Quarkus #IBM 2025

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@hollycummins.com #Quarkus #IBM

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@hollycummins.com #Quarkus #IBM language

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@hollycummins.com #Quarkus #IBM language higher-level constructs

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@hollycummins.com #Quarkus #IBM framework language higher-level constructs

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@hollycummins.com #Quarkus #IBM framework fast reactive core … if it’s quarkus :) language higher-level constructs

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@hollycummins.com #Quarkus #IBM framework fast reactive core … if it’s quarkus :) user code language higher-level constructs

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@hollycummins.com #Quarkus #IBM framework fast reactive core … if it’s quarkus :) user code reactive programming model language higher-level constructs

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@hollycummins.com #Quarkus #IBM framework fast reactive core … if it’s quarkus :) user code reactive programming model virtual threads language higher-level constructs

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@hollycummins.com #Quarkus #IBM framework fast reactive core … if it’s quarkus :) user code reactive programming model virtual threads structured concurrency language higher-level constructs

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why did green threads flop, and loom succeed?

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why was AOT a bad idea, but GraalVM is a good one?

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meteorology 101

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meteorology 101

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cloud meteorology 101

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why is there all this hype, always?

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business studies 101

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venture capital business studies 101

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@hollycummins.com #Quarkus #IBM

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@hollycummins.com #Quarkus #IBM baby company

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@hollycummins.com #Quarkus #IBM baby company

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@hollycummins.com #Quarkus #IBM baby company

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@hollycummins.com #Quarkus #IBM funding rounds baby company

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@hollycummins.com #Quarkus #IBM funding rounds baby company attracted investment

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@hollycummins.com #Quarkus #IBM funding rounds baby company attracted investment

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@hollycummins.com #Quarkus #IBM funding rounds baby company attracted investment

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@hollycummins.com #Quarkus #IBM funding rounds baby company attracted investment

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@hollycummins.com #Quarkus #IBM funding rounds baby company attracted investment

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@hollycummins.com #Quarkus #IBM funding rounds baby company attracted investment

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@hollycummins.com #Quarkus #IBM funding rounds baby company attracted investment

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@hollycummins.com #Quarkus #IBM funding rounds baby company attracted investment

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@hollycummins.com #Quarkus #IBM “exit” funding rounds baby company attracted investment

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@hollycummins.com #Quarkus #IBM “exit” funding rounds baby company IPO attracted investment

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@hollycummins.com #Quarkus #IBM “exit” funding rounds baby company IPO acquisition attracted investment

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@hollycummins.com #Quarkus #IBM “exit” funding rounds baby company IPO acquisition attracted investment

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@hollycummins.com #Quarkus #IBM what attracts investment?

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@hollycummins.com #Quarkus #IBM what attracts investment? stability?

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@hollycummins.com #Quarkus #IBM what attracts investment? stability? profitability?

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@hollycummins.com #Quarkus #IBM what attracts investment? stability? profitability? revenue?

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@hollycummins.com #Quarkus #IBM what attracts investment? growth stability? profitability? revenue?

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@hollycummins.com #Quarkus #IBM what attracts investment? growth stability? profitability? excitement revenue?

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@hollycummins.com #Quarkus #IBM what attracts investment? growth stability? profitability? excitement revenue? likelihood of selling stake at a profit

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@hollycummins.com #Quarkus #IBM “It’s not simply that one piece of technology is overhyped, it’s that hype is a necessary ingredient of the current business ecosystem of the tech industry.” – Meredith Whittaker, Signal

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why can’t I find a job?

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why can’t I find a new job?

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@hollycummins.com #Quarkus #IBM

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@hollycummins.com #Quarkus #IBM Source: indeed.com via https://newsletter.pragmaticengineer.com/p/software-engineering-job-openings?publication_id=458709 usa developer vacancies

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@hollycummins.com #Quarkus #IBM Source: indeed.com via https://newsletter.pragmaticengineer.com/p/software-engineering-job-openings?publication_id=458709 uk developer vacancies

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interest rates macroeconomics 101

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@hollycummins.com #Quarkus #IBM ZIRP

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@hollycummins.com #Quarkus #IBM ZIRP “zero interest-rate phenomenon”

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@hollycummins.com #Quarkus #IBM 0%

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@hollycummins.com #Quarkus #IBM <1%

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@hollycummins.com #Quarkus #IBM Source: Bank of England UK interest rates

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@hollycummins.com #Quarkus #IBM Source: Bank of England averting subprime collapse UK interest rates

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@hollycummins.com #Quarkus #IBM Source: Bank of England averting subprime collapse covid UK interest rates

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@hollycummins.com #Quarkus #IBM Source: Bank of England averting subprime collapse covid 0.1% (!) UK interest rates

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@hollycummins.com #Quarkus #IBM Source: Bank of England averting subprime collapse covid 0.1% (!) in fl ation shortages war UK interest rates

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@hollycummins.com #Quarkus #IBM Source: Bank of England UK interest rates

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@hollycummins.com #Quarkus #IBM exit attracted investment baby company

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@hollycummins.com #Quarkus #IBM exit attracted investment baby company

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@hollycummins.com #Quarkus #IBM exit attracted investment baby company risk

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@hollycummins.com #Quarkus #IBM ZIRP

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@hollycummins.com #Quarkus #IBM software company ZIRP

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@hollycummins.com #Quarkus #IBM government bond software company ZIRP

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@hollycummins.com #Quarkus #IBM government bond risk return software company ZIRP

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@hollycummins.com #Quarkus #IBM government bond risk return software company high ZIRP

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@hollycummins.com #Quarkus #IBM government bond risk return software company high 20% - 500% ZIRP

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@hollycummins.com #Quarkus #IBM government bond low risk return software company high 20% - 500% ZIRP

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@hollycummins.com #Quarkus #IBM government bond low 0% risk return software company high 20% - 500% ZIRP

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@hollycummins.com #Quarkus #IBM government bond low 0% risk return software company high 20% - 500% ZIRP

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@hollycummins.com #Quarkus #IBM government bond low 4% risk return software company high 20% - 500% post-ZIRP

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@hollycummins.com #Quarkus #IBM government bond low 4% risk return software company high 20% - 500% post-ZIRP

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@hollycummins.com #Quarkus #IBM less investment means less hiring

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@hollycummins.com #Quarkus #IBM less investment means less hiring

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what about the ai-lephant in the room?

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is AI killing jobs?

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AI is attracting heavy investment exit hype generation

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“our AI product is working”

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“our AI strategy is working”

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public relations 101

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AI-washing

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Photo credit: Blanca Garcia Gil

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Photo credit: Blanca Garcia Gil

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what attracts investment? growth stability? profitability? excitement revenue? likelihood of selling stake at a profit hiring

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just because AI makes developers more productive, doesn’t mean it will reduce the number of developers

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jevon’s paradox economics 101

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@holly_cummins #Quarkus #IBM jevon’s paradox

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@holly_cummins #Quarkus #IBM jevon’s paradox “efficiency improvements can lead to increased consumption”

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@holly_cummins #Quarkus #IBM what we imagine when we widen roads

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@holly_cummins #Quarkus #IBM what we get

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@holly_cummins #Quarkus #IBM

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@holly_cummins #Quarkus #IBM

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@holly_cummins #Quarkus #IBM professions using ai worked 3.15 hours more per week https://cepr.org/voxeu/columns/ais-power-grows-so-does-our-workday

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@hollycummins.com #Quarkus #IBM software is not going away

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@hollycummins.com #Quarkus #IBM 1800s

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@hollycummins.com #Quarkus #IBM “knocker-up” 1800s

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@hollycummins.com #Quarkus #IBM “knocker-up” 1800s human alarm clock

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@hollycummins.com #Quarkus #IBM “knocker-up” 1800s - 1940s human alarm clock

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@hollycummins.com #Quarkus #IBM “knocker-up” 1800s finite demand - 1940s human alarm clock

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@hollycummins.com #Quarkus #IBM “knocker-up” 1800s finite demand only employees need waking up - 1940s human alarm clock

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@hollycummins.com #Quarkus #IBM “knocker-up” 1800s finite demand only employees need waking up no one needs waking up more than once - 1940s human alarm clock

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@hollycummins.com #Quarkus #IBM the more software we have, the more we want

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software to do stuff

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software to do stuff software to do more stuff

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software to do stuff software to do more stuff software to tell people about software

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software to do stuff software to do more stuff software to tell people about software software to bypass advertisements in the software

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software to do stuff software to do more stuff software to tell people about software software to bypass advertisements in the software software to bypass the bypass software so ads still show

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software to do stuff software to do more stuff software to tell people about software software to bypass advertisements in the software software to bypass the bypass software so ads still show software to gamify software software to monitor the software software to manage the software software to write the software software to debug the vibe-coded software

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abstraction libraries frameworks

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@hollycummins.com #Quarkus #IBM

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@hollycummins.com #Quarkus #IBM Source: indeed.com via https://newsletter.pragmaticengineer.com/p/software-engineering-job-openings?publication_id=458709 usa developer vacancies

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@hollycummins.com #Quarkus #IBM Source: indeed.com via https://newsletter.pragmaticengineer.com/p/software-engineering-job-openings?publication_id=458709 usa developer vacancies chatgpt released

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Source: indeed.com via https://www.citadelsecurities.com/news-and-insights/2026-global-intelligence-crisis/

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Source: indeed.com via https://www.citadelsecurities.com/news-and-insights/2026-global-intelligence-crisis/

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@holly_cummins #Quarkus #IBM tl;dpa (too long; didn’t pay attention)

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@holly_cummins #Quarkus #IBM tl;dpa ⁃ statistics is (annoyingly) important, especially bayes (too long; didn’t pay attention)

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@holly_cummins #Quarkus #IBM tl;dpa ⁃ statistics is (annoyingly) important, especially bayes ⁃ to achieve more power, computers have to add more cores (too long; didn’t pay attention)

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@holly_cummins #Quarkus #IBM tl;dpa ⁃ statistics is (annoyingly) important, especially bayes ⁃ to achieve more power, computers have to add more cores ⁃ software is not very good at taking advantage of these cores ⁃ the rise of interest rates means a tougher job market (too long; didn’t pay attention)