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Don't Fear Change, Let Change Fear You
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Don't Fear Change, Let Change Fear You

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My invited talk at ITREND2011

My invited talk at ITREND2011

Published in Technology , Business
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  • 1. Don’t Fear Change,Let Change Fear You by Zsolt Fabók November 17, 2011
  • 2. What do you think was the biggestdevelopment budget I’ve seen spent on aproject where the result was never used?
  • 3. It was more than576 000 EUR! (in 6 month)
  • 4. Project’s vision Business needsThen al ue v eNow n o or as ym H n a
  • 5. They follow different paths e ss in bus je ct p ro
  • 6. My definition of change:“The effort an organisationhas to make in order to pull up tothe actual business needs”
  • 7. The size of the change isdetermined by two factors: ss ti on change ine ec u s d ir b speed je ct p ro
  • 8. The first thing to identify in orderto find the right direction, is yourreal customer!
  • 9. Walmart lost millions of dollarsbecause it followed the feedback of thewrong customers
  • 10. See how the customer uses the product
  • 11. After spending 2 days with thecustomer my former colleague foundout that 87.5 % of our featureswere not used
  • 12. Google analyticheatmap s for web /apps A/B testing
  • 13. My friend whose app has over 250kdownloads at android market does notwaste even 1% on features, nobodyinterested in, and has >4.5 overall ratings
  • 14. Now we knowwhere to go,let’s speed up!
  • 15. Kanban provides the system, so that he’llreach his target faster (way of working)
  • 16. Thanks to Kanban, I know exactly what happensin the organisation: 3 1 2 Queue Development Verification Live Deployment Ongoing Done Ongoing Done G D C B A E H I F lead time
  • 17. ...and I can also see when we are slowing down. lead time (in days)86420week 3 week 4 week 5 week 5 week 6
  • 18. eXtreme Programming provides the certaintyso that these nice baskets won’t fall down while speeding up Testing and fast feedback
  • 19. As a result of 6 month long smallinvestment, we can now find outthe effect of any kind of change inour system in 7 minutes
  • 20. Pair programming really pays off: Defects introduced in 3 months with my old teamsolo programmingpair programming 0 10 20 30 40
  • 21. If you know your customer, and youalready have started to implementKanban and eXtremeProgramming, then you can rest,don’t worry about changes ;-)
  • 22. http://zsoltfabok.comThank you verymuch for attention! http://digitalnatives.hu
  • 23. References (where available) of the used images: • treasure map: http://www.lostpirategold.com/map/mainmap.php • google analytics: http://www.arikhanson.com/2010/08/03/5-google- analytics-stats-that-can-help-improve-your-blog/ • A/B testing: http://www.sitedoublers.com/blog/multivariate-test- victorias-secret • Cycling man: http://www.theblogismine.com/2010/03/14/impossibly- loaded-up-bicycles/ •TDD cycle: http://www.agileapps.co.uk/methodology/continuous.html