Alexander introduced me briefly to the Six Thinking Caps, and it looks like a cute, good, effective idea.
Edward de Bono is also the guy behind lateral thinking, which is similar, and also really interesting.
More on the thinking caps here and an excerpt from the book here.

3 responses so far ↓
1 Jeff Davis // Oct 14, 2002 at 11:07 PM
2 Lars Pind // Oct 14, 2002 at 11:17 PM
3 Jeff Davis // Oct 15, 2002 at 01:21 PM