The document provides guidance for lean product development. It recommends: 1. Validating business ideas through customer development and getting feedback to turn ideas into a series of testable hypotheses rather than guesses. 2. Building software faster using techniques like acceptance test-driven development (ATDD) and just-in-time architecture to minimize waste and inventory in the development process. 3. Measuring key metrics to understand customer needs and prioritize features, determine when requirements are met, and track progress over time.

1. How to be a Lean Product Developer?
Marko Taipale
Agile Riga Day 2012
Saturday, March 17, 12

2. 2 reasons...
Why this topic is
important for you?
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3. Saturday, March 17, 12

4. Saturday, March 17, 12

5. 1
We are wasting time and effort
on doing the wrong thing
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6. Features used
16%
13% 20% valuable
19% Sometimes
Often
7% Always
Never
Rarely
45%
XP2002 CHAOS report
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7. 2
53% of us don’t know what the
company is trying to achieve
TBWA North - Study on 2010
We do not see the purpose in our work
or
We do not know if the work we do has a purpose
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8. Saturday, March 17, 12

9. Cycle as fast as possible
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10. Guide for a lean
product developer
1. "Lean" your business ideas IDEAS
2. Build faster (or not at all!)
LEARN BUILD
3. Measure it!
MEASURE
4. Learn Faster
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11. 1. "Lean" your business ideas
2. Build faster (or not at all!)
3. Measure it!
4. Learn Faster
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12. What is a ”business idea”?
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13. What is a ”business idea”?
This guy is guessing...
It is just a “series of guesses”
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14. How to communicate your
business idea?
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15. 4 9
1 3 2
8 5
7 6
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16. So where is the guess?
Remember this guy?
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17. Saturday, March 17, 12

18. How to validate the guesses?
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19. Customer Development
Customer Customer Customer Company
Discovery Validation Creation Building
Problem / Product /
Solution Fit Market Fit Scale
Organization
Proposed Business Scale
MVP Model Execution
Scale
Operations
Sales &
Proposed Marketing
Funnels Roadmap
Saturday, March 17, 12

20. Customer Development
Customer Customer Customer Company
Discovery Validation Creation Building
Problem / Product /
Solution Fit Market Fit Scale
Get out of the building! Organization
Proposed Business Scale
MVP Model Execution
Scale
Operations
Sales &
Proposed Marketing
Funnels Roadmap
Saturday, March 17, 12

21. Customer Customer Customer Company
Discovery Validation Creation Building
hypotheses,
experiments,
insights
data, feedback,
insights
Product
Development
Saturday, March 17, 12

22. Customer Customer Customer Company
Discovery
Problem Team
Validation Creation Building
hypotheses,
experiments,
insights
data, feedback,
insights Solution Team
Product
Development
Saturday, March 17, 12

23. Lean Business Idea -
Summary
• Business idea is just a series of guesses
• You can validate the guesses with the help
of Customer Development
• Business Model Canvas is effective
tool to communicate your business ideas
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24. 1. "Lean" your business ideas
2. Build faster (or not at all!)
3. Measure it!
4. Learn Faster
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25. The Concept of an
inventory
Business Design Development
case
Testing Deployment
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26. The Concept of an
inventory
2 8 10
Business Design Development
case
Testing Deployment
5
25
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27. Don’t write the code!
Business Design Development
case
Testing Deployment
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28. Don’t write the code!
Business Design Development
case
Testing Deployment
If you write the code..
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29. Inventory with ATDD
2 8 5
Business Development
Design
case & Test
Deployment
15
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30. Architecture
Realisation Vision
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31. Inventory with ATDD +
JIT Architecture
2 5
Business Design, Development Deployment
case & Test
7
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32. Continuous Integration
Get the stuff
Build & deploy Test & Report
from VCS
+
Continuous Deployment
Deploy to Monitor &
Backup
production Alert
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33. Continuous Integration & Deployment
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34. Inventory with ATDD +
JIT Architecture + CD
2
Business Design, Development
case & ATDD & Continuous
Deployment
2
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35. What about design of
the product?
• UX
• Business model pivots etc.
• Some inventories are needed - they are
actually buffers
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36. Example value stream
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37. Summary- Build faster
• Think timing (Just-In-Time)
• Think big, implement small (and fast)
• be aware of the inventory (queues) in your
product development process (system)
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38. 1. "Lean" your business ideas
2. Build faster (or not at all!)
3. Measure it!
4. Learn Faster
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39. What are things we
NEED to measure?
• How do you know you’re done?
• How do you know something is more
important/valuable than something else?
• How do you know how are you doing?
• How do you choose between two or more
solutions?
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40. Number One Waste?
Features used
16%
13%
19% Sometimes
Often
7% Always
Never
Rarely
45%
XP2002 CHAOS report
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41. Measuring if it is used
Owner: Marko
Size: S
Comments for service offers and requests
5 days
QUEUE: 1.6.2010 DONE: 6.6.2010
READY: 3.6.2010
3 days
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42. Levels Monitoring
of monitoring
Biz reports Business
Hearbeat.rb
& navigator Application
Hearbeat.rb
& Monit Containers & DB
Monit &
Nagios OS & Services
Monit &
Nagios Hardware
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43. Funnel analysis
Acquisition
Activation
Retention
Referral
Revenue
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44. Testing hypotheses with
Split Testing
A B
Acquisition Acquisition
Activation Activation
Retention Retention
Referral Referral
Revenue Revenue
20% 40%
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45. Summary - Measure it
• Measure what matters to you
• Measure to throw away the waste
(optimize the whole system)
• Think measuring when implementing the
solution
• Measure the business (not only tech)
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46. 1. "Lean" your business ideas
2. Build faster (or not at all!)
3. Measure it!
4. Learn Faster
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47. Saturday, March 17, 12

48. Ship it! - learning
inventory
2
Business Design, Development
case & ATDD & Continuous
Deployment
Amazon: new deployment every 11.6 seconds
Facebook: continuous deployment
Flickr: same thing
IMVU, KaChing, KISSMetrics...
Elisa, Huitale...
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49. Get out of the building
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50. Testing hypotheses with
Split Testing
A B
Acquisition Acquisition
Activation Activation
Retention Retention
Referral Referral
Revenue Revenue
20% 40%
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51. Everything is a guess
So how to formulate that as
hypotheses?
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52. A way of learning
5 whys
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53. A3 template for problem
solving
http://www.crisp.se/lean/a3-template
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54. Customer Customer Customer Company
Discovery
Problem Team
Validation Creation Building
hypotheses,
experiments,
insights
data, feedback,
insights Solution Team
Product
Development
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55. Summary - Learn faster
• Truth is out there: Ship It & Get out from
the building
• Identify root causes and use A3 for
problem solving
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56. Executive summary
• Stop wasting people’s time
• Communicate the purpose to engage
people around you
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57. Marko Taipale
@markotaipale
huitale.blogspot.com
marko.taipale@huitale.com
I help companies to improve by showing
what I have done, how I have done it
and what I have learned about it
I am also a CTO of
Saturday, March 17, 12