Friction - Mary Poppendieck - Agile SG 2016

Presented in Agile Singapore 2016 conference

Transcript

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2. Copyright©2016 Poppendieck.LLC 2
   Match Sparks / Digital Art Wallpaper
   

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3. AP Images
   Copyright©2016 Poppendieck.LLC 3
   

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4. Fast
   Reflexive
   Responsive
   Expertise
   Intuition
   Habit
   Tacit Knowledge
   Autopilot
   Makes Most Decisions
   Overrides System 2
   Slow
   Deliberate
   Rational
   Analysis
   Evidence
   Plans
   Explicit Knowledge
   Manual Mode
   Checks up on System 1
   Basically Lazy
   Don’t Make
   Me Think!
   Copyright©2016
   Poppendieck.LLC
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5. Number of Purchasers 45%
   First Month Revenue $15 million
   Annual Revenue $300 million
   forgot password forgot password
   Continue
   You do not need to
   create an account
   to make purchases.
   Before After
   Wake Up
   System 2
   Register???
   http://www.uie.com/articles/three_hund_million_button/
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   Poppendieck.LLC
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6. Fast
   Reflexive
   Responsive
   Expertise
   Intuition
   Habit
   Tacit Knowledge
   Autopilot
   Cognitively Lazy Cognitively Biased
   Hands Off
   My Stuff!
   Autopilot
   Of Course
   I’m Right!
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   Poppendieck.LLC
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7. Hands Off
   My Stuff!
   receiptful.com/blog/75‐ecommerce‐facts‐
   quotes‐statistics‐that‐will‐blow‐your‐mind
   Gary Hovland
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   Poppendieck.LLC
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8. We seek out
   and interpret
   information in
   a way that
   confirms our
   preexisting
   viewpoints.
   Of Course
   I’m Right!
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   Poppendieck.LLC
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9. Photograph © Tom Poppendieck
   Online Experimentation at Microsoft
   by Kohavi , Crook, & Longbotham
   Presented at KDD 2009
   (Knowledge Discovery & Data Mining)
   http://exp‐platform.com/expMicrosoft.aspx
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10. Deliberation tends to
    make groups dumber
    Creative Commons Gouwenaar
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11. People who believe their opinion is in the minority
    Making it harder for others to express minority opinions
    Photograph © Tom Poppendieck Copyright©2016 Poppendieck.LLC 11
    

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12. Copyright©2016 Poppendieck.LLC 12
    People rely heavily
    on the first piece
    of information
    offered
    Photograph © Tom Poppendieck
    

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13. Copyright©2016 Poppendieck.LLC 13
    Sketch: Jake Knapp
    

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14. Copyright©2016 Poppendieck.LLC 14
    Match Sparks / Digital Art Wallpaper
    

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15. Minneapolis, Minnesota Cape Town, South Africa
    2 weeks total time
    1.5 hours fixing tooth
    0.45% Flow Efficiency
    8 hours total time
    1.5 hours fixing tooth
    18.75% flow efficiency
    Copyright©2016
    Poppendieck.LLC 15
    

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16. How many features and functions
    are actually delivering useful value?
    Probably less than half of them.
    What if everyone and everything
    necessary to do the job were in the
    same room at the same time with
    nothing else to do?
    Everything else is superfluous.
    How much of the demand on your
    resources is caused by your failures?
    Busy  Efficient
    Resource Efficiency is not
    as efficient as you think!
    Valuable W
    ork
    F
    ailure
    D
    em
    and
    Superfluous W
    ork
    From This Is Lean, by Modig and Åhlström
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    Poppendieck.LLC 16
    

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17.  You think you are here.
     You are probably here.
     Add Resource Efficiency.
     Start with Flow Efficiency.
    
    
    
    
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    Poppendieck.LLC 17
    From This Is Lean, by Modig and Åhlström
    

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18. Time you spend actually
    working on a problem
    Time the person with the problem
    spends waiting for it to be fixed
    Flow Efficiency =
    Copyright©2016 Poppendieck.LLC 18
    

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19. Copyright©2016 Poppendieck.LLC 19
    Optimize Throughput – Not Utilization
    Minimize the Number of Things in Process
    Minimize the Size of Things in Process
    Level the Workload
    Don’t Batch and Queue
    Manage Pace – Not Tasks
    Limit Work To Capacity
    Timebox – Don’t Scopebox
    Pull – Don’t Push A Completely Utilized Highway Is a Parking Lot
    

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20. Copyright©2016 Poppendieck.LLC 20
    Match Sparks / Digital Art Wallpaper
    

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21. For Complex Systems
    This does not work
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22. For Complex Systems
    This works
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23. Copyright©2016 Poppendieck.LLC 23
    Acceptance test driven development process
    Cross‐functional teams include Product, QA and Ops
    Automated build, testing, db migration, and deployment
    Incremental development on the mainline with continuous integration
    Software always production ready, or everything stops until it is
    Deploy constantly, release by switch
    Slide content credit: Jez Humble
    Faster – Safer – Smarter
    

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24. Federated Architecture
    Constantly Evolving Products
    Problems
    Hypotheses
    Full Stack Teams
    Outsource Infrastructure
    Tests as Specification
    Continuous Delivery
    Don’t do
    Monolithic Architecture
    Projects
    Features
    Estimates
    IT
    Outsource Development
    Testing at the End
    Periodic Releases
    Do
    Copyright©2016 Poppendieck.LLC 24
    

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