Recommended Reading

Articles

Cameron's Laws of Identity - "Those of us who work on or with identity systems need to obey the Laws of Identity. Otherwise, we create a wake of reinforcing side effects that eventually undermine all resulting technology." (Kim Cameron's Identity Weblog)
Technical Debt - we (developers) are doing it, but are we doing it knowingly and thoughtfully? (article by Martin Fowler)
Unit Testing - is there really a debate any longer? (blog by Andrew Binstock)