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Friction - Mary Poppendieck - Agile SG 2016

Friction - Mary Poppendieck - Agile SG 2016

Presented in Agile Singapore 2016 conference

Agile Singapore

October 07, 2016
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  1. Copyright©2016 Poppendieck.LLC 2
    Match Sparks / Digital Art Wallpaper

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  2. AP Images
    Copyright©2016 Poppendieck.LLC 3

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  3. 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
    4

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  4. 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/
    Copyright©2016
    Poppendieck.LLC
    5

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  5. Fast
    Reflexive
    Responsive
    Expertise
    Intuition
    Habit
    Tacit Knowledge
    Autopilot
    Cognitively Lazy Cognitively Biased
    Hands Off
    My Stuff!
    Autopilot
    Of Course
    I’m Right!
    Copyright©2016
    Poppendieck.LLC
    6

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  6. Hands Off
    My Stuff!
    receiptful.com/blog/75‐ecommerce‐facts‐
    quotes‐statistics‐that‐will‐blow‐your‐mind
    Gary Hovland
    Copyright©2016
    Poppendieck.LLC
    7

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  7. We seek out
    and interpret
    information in
    a way that
    confirms our
    preexisting
    viewpoints.
    Of Course
    I’m Right!
    Copyright©2016
    Poppendieck.LLC
    8

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  8. 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
    Copyright©2016 Poppendieck.LLC 9

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  9. Deliberation tends to
    make groups dumber
    Creative Commons Gouwenaar
    Copyright©2016 Poppendieck.LLC
    10

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

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

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

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  14. 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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  15. 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
    Copyright©2016
    Poppendieck.LLC 16

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  16.  You think you are here.
     You are probably here.
     Add Resource Efficiency.
     Start with Flow Efficiency.




    Copyright©2016
    Poppendieck.LLC 17
    From This Is Lean, by Modig and Åhlström

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  17. 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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  18. 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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  19. Copyright©2016 Poppendieck.LLC 20
    Match Sparks / Digital Art Wallpaper

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  20. For Complex Systems
    This does not work
    Copyright©2016 Poppendieck.LLC 21

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  21. For Complex Systems
    This works
    Copyright©2016 Poppendieck.LLC 22

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  22. 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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  23. 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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