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Principles of rebuilding an old system

  • add new value, which should be demonstrated in the first six months
  • no big cutover rewrite.
  • faster feature velocity than the legacy system.1 2
  • work with people who are experts in the old system3
  • don't remove features because they're hard

Footnotes​

  1. [[Kernighan's law]] ↩

  2. Peter Principle ↩

  3. Tesler's Law ↩