mathematics
Remember The Problem of the Unfinished Game? And the almost 2,500 comments those two posts generated? I know, I like to pretend it didn't happen, either. Some objected to the way I asked the question, but it was a simple question asked in simple language. I think
software development
In Lean Software Development: An Agile Toolkit [http://www.amazon.com/exec/obidos/ASIN/0321150783/codihorr-20], Mary and Tom Poppendieck describe a counter-intuitive technique for making better decisions: > Concurrent software development means starting development when only partial requirements are known and developing in short iterations that provide the feedback