Last week, Facebook announced an update to the Open Stream API, which allows integration of Page streams with applications. Now, Facebook has opened up the new Mailbox and Notification APIs, which allow developers to provide users with more ways to interact with core Facebook features within their apps.

No matter what your mother says, farts will forever be funny. And for Joel Comm, they may forever be profitable now that Apple decided his app wasn’t too crass for the iPhone public. iFart Mobile is currently the number one iPhone/iPod Touch application, pulling in a dollar a pop.