> But if you don't even know if the answer is a genetic algo, or simulated annealing, or using mechanical turk, or whatever, there's really no point in even try

> But if you don't even know if the answer is a genetic algo, or simulated annealing, or using mechanical turk, or whatever, there's really no point in even trying to freeze the interface. You are completely right. In this case you would start prototyping various solutions to the problem. Once you have explored the domain, you either go for implementing a certain approach using tdd, or you do more exploring. --fg