Todd Sedano

Software Engineering, Improv, Craft of Software Development

Evolution of Lean Software Development's Waste Taxonomy

2002 2003 2006 2011
Requirements
Partially Done Work Work in Progress
Extra Steps Extra Processes Relearning Technical Debt
Extra Features
Handoffs Task Switching Handoffs Handovers
Delays
Finding Information Motion Task Switching
Defects Not Caught by Tests Defects

If you are looking for a waste taxonomy grounded in empirical data, check out software development wastes