API's are amazing if done right. They foster loads of good-will among developers because you have opened your system for them to extend and develop upon. Just l

API's are amazing if done right. They foster loads of good-will among developers because you have opened your system for them to extend and develop upon. Just look at what the Google Maps and Flickr API's have done for the proliferation of those projects. Here's an amazing presentation on API's by one of the Google devs: http://www.scribd.com/doc/33655/How-to-Design-a-Good-API-and-Why-it-Matters http://www.scribd.com/doc/33655/How-to-Design-a-Good-API-and-Why-it-Matters