I have recently been involved in talking to a local chicago entity about their unofficial API. It has been fun and deserves a blog entry of its own. However, this is not that blog entry - this blog entry is about mashups and the not so public APIs they often create. In the past couple years i have constantly been tearing apart webapps. Either because I wearing my developer hat at work or because i am rocking on something at home. I have always been trying to figure out what goes on behind the