I like to think of it this way: When writing code it is imperative to to get great feedback, as often as possible. In a number of cases, TDD helps you do that.

I like to think of it this way: When writing code it is imperative to to get great feedback, as often as possible. In a number of cases, TDD helps you do that. In cases where it don't, well, it doesn't, so don't use it.