This how-to is a walkthrough on implementing the Ruby wrapper for the Bit.ly API. Written by Nasir Jamal, the tutorial gives step by step instructions on installation, authorizing client classes, how to shorten URLs, and more, all using "url_shortener," a Bit.ly Ruby gem that is open source on GitHub.
On August 16, Twitter shuttered two legacy APIs that it had announced would be removed earlier this years. Developers of a number of popular third-party Twitter clients warned that the shutdown of the User Streams and Site Streams APIs would negatively affect users of their apps.
Facebook added an application settings dashboard to give users a way to see what information is available to apps. The move makes very clear what was previously murky. The result should be users who are more likely to trust your applications, because it's harder for others to get away with tricking them into permission.