Comment by steveklabnik

> > The Trello API is well-written, has no bugs, and is totally rock solid. Or at > least it doesn't change very often. That means we can put out new > clients all the time without having to update the API. In fact, we can have > multiple versions of the website out at any given time.]

A very counter-intuitive result: most people would not consider a stable API to let you iterate quickly!