Crib Sheet: What Happened at Twitter's Chirp Conference

Official Android Twitter App

It's been said that Twitter launched as an incomplete product--unlike, say, Facebook, Twitter is very much a skeleton, without its own versions of many of the most important ways we interact with the service. Twitter doesn't have its own mobile app, its own photo uploading service, or its own URL shortener--so third-party developers have jumped in to provide them. Twitter's slowly been filling those "holes," recently releasing their own BlackBerry app and buying...