Same. Sometimes (often) even dev's don't agree on the "What". Or if trading Speed for Accuracy is worth the trade (how long to cache). There is no way a non-t

Same. Sometimes (often) even dev's don't agree on the "What". Or if trading Speed for Accuracy is worth the trade (how long to cache). There is no way a non-techy can give the right details to a program, and see the side effects of that decision.