Well, maybe not forever. But Wednesday's announcement that popular iPhone photo app Hipstamatic can now post their snapshots directly to Instagram's photo sharing network is pretty huge. This marks the first time the Instagram API has allowed a third-party app to add content to its growing social network, clocked at 27 million registered users earlier this month. For developers who couldn't wait for Instagram to publish its API (resourceful hackers reverse-engineered the system back in December, 2010), this could be the beginning of a beautiful friendship.
User authentication in apps is a pain, even if you've built an authentication system dozens of times. Forms, sessions, user tables, validation, password management, the list goes on in the seemingly never-ending to-do list for setting up a simple signup, login, and logout system for your app. OpenID company Janrain makes it easier, building on top of social networks.