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Nomads do not build Cathedrals

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ESUG 2014, Cambridge.
Thu, August 21, 2:00pm – 2:30pm

Video Part 1: https://www.youtube.com/watch?v=Vcoy5gwUvOA
Video Part 2: https://www.youtube.com/watch?v=5LrH9r4FNzY

Abstract: This will a rather unusual talk for ESUG. The theme is not Smalltalk directly, but instead I discuss how progress and inventing new things fits with incremental, reflective nature of Smalltalk.

People often argue that progress is only possible when you throw everything away and start from scratch. In this talk I will argue that this thinking is a trap and the only way for progress in practice is to take an incremental approach of constantly improving and therefore evolving the imperfect system you already have.

I will show how the idea of creating feedback loops of improvement actually lead to non-linear growth and how this process of reflective constant improvement fits with the Smalltalk philosophy of incrementally and dynamically changing a running system.

ESUG 2014, Cambridge.
Thu, August 21, 2:00pm – 2:30pm

Video Part 1: https://www.youtube.com/watch?v=Vcoy5gwUvOA
Video Part 2: https://www.youtube.com/watch?v=5LrH9r4FNzY

Abstract: This will a rather unusual talk for ESUG. The theme is not Smalltalk directly, but instead I discuss how progress and inventing new things fits with incremental, reflective nature of Smalltalk.

People often argue that progress is only possible when you throw everything away and start from scratch. In this talk I will argue that this thinking is a trap and the only way for progress in practice is to take an incremental approach of constantly improving and therefore evolving the imperfect system you already have.

I will show how the idea of creating feedback loops of improvement actually lead to non-linear growth and how this process of reflective constant improvement fits with the Smalltalk philosophy of incrementally and dynamically changing a running system.

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Nomads do not build Cathedrals

  1. 1. Nomads do not build Cathedrals Marcus Denker http://www.marcusdenker.de
  2. 2. Software
  3. 3. Strange Talk…
  4. 4. No idea if it will work
  5. 5. The Platform Jump to large Project1 Project2 Project3
  6. 6. Nomadic Solution - Do not build infrastructure ! - Use resources until depleted ! - Move on
  7. 7. The Platform Jump Possible Project1 Project2 Project3 Project4
  8. 8. Better? - Invest in infrastructure ! - Build new abstractions !
  9. 9. Feedback Loop Projects Infrastructure
  10. 10. Feedback loop is not enough! ! Add until it is unmaintainable. Throw everything away.
  11. 11. Feedback loop is not enough! ! ! After the first line of code you are in maintenance
  12. 12. Sustainable Feedback ! ! - Constant Cleanup - Constant Improvement
  13. 13. To build a cathedral you need to build a toilet first
  14. 14. The toilet is not the cathedral
  15. 15. Yet there can not be a cathedral without building a toilet first
  16. 16. Effects?
  17. 17. Perfection
  18. 18. Constant “in Progress”
  19. 19. Scaffolding
  20. 20. System is not an Artefact
  21. 21. Always a Result
  22. 22. …instead of dreaming of perfection
  23. 23. Trivial Changes
  24. 24. Every improvement has an effect
  25. 25. Starting point for contributors
  26. 26. Only trivialities?
  27. 27. No!
  28. 28. Exponential effect
  29. 29. Compound Interest
  30. 30. Scaffolding
  31. 31. Todays system is scaffolding for tomorrow
  32. 32. The whole system could be replaced within just some iterations

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