The Twitter Kit for iOS, supported by Twitter as part of the Fabric developer suite, helps developers create iOS applications that integrate various Twitter functionalities. The SDK can be used to implement easy Twitter login, composing tweets, displaying tweets, and authentication all from a 3rd party application. The iOS Twitter Kit includes "Login" for standard login, "Twitter API," for iOS driven API requests, "Tweet Views," for displaying a user's Twitter stream, "Tweet Compose," for composing and posting new tweets, and "Digits," a new way that users can verify with Twitter via their mobile phone number over SMS-based authentication.
At the bottom of many blog posts (including this one) and website entries you're likely to find a widget that allows sharing to social sites or emailing to a friend. ShareThis competes with other systems like AddThis and SocialTwist to give publishers an easy-to-install sharing method.
Magnify.net, a web service that allows individuals and companies to build and curate their own video channels and communities, has announced an API to enable developers to pull videos and data from their Magnify.net channels and integrate them into their own applications (details at our Magnify.net API Profile).
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.