• Rapid feedback
  • Get feedback, interpret, learn, apply quickly
  • Applies to planning, system development, all other phases
• Assume simplicity
  • Assumption true almost all of the time
  • Time saved looking for simplicity more than makes up for the few cases in which complexity required
• Incremental change
  • Big changes, made all at once, have high risk
  • Small changes tend to work
• Embracing change
  • It will happen whether or not you want it to
• Quality work
  • Everyone wants to do good work
  • Cut features before quality

created April 29, 2003 last revised May 13, 2003

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