This SDK allows users to implement the Facebook Open Graph API using the Django framework in Python. This allows end users to register with the developer's app using their Facebook login, and it enables the developer to interact with Facebook user data and profile objects within their applications.
Twitter recently announced what developers have been expecting since at least its Chirp conference. Links posted to Twitter will soon be passed through the company's own link shortener, t.co. It could be bad news for other services built to fill the link shortening need, such as Bit.ly (our Bit.ly API profile).
As a developer, you can figure out how to make your program connect to Facebook, Twitter, SMS, and Email. Or you can use the Embarke API and connect just to Embarke, a messaging platform that connects you to them all. You can skip learning the specifics of how to connect to each of them. The REST API's website has a five minute tutorial video on how to use this gateway to its developer tools for social communications.
The Twitter Streaming API has been successfully used by Yahoo!, Google, and Microsoft, who have been given access to the full feed of all public tweets. Twitter has now enabled this "firehouse" of data for a number of other companies.