The Gmail API SDK for .NET contains authentication and authorization with Api Keys and OAuth 2. Examples demonstrate a Google Discovery API sample along with web applications, service accounts, and installed applications.
Location-sharing service Gowalla is preparing to launch its long-awaited write API (our Gowalla API profile). The move could makes its platform as desirable as its main competitor, FourSquare. With it, comes the need to relinquish a bit of control of the user experience, something Gowalla has considered an important factor of its success.
Anyone worth their weight in tweets knows the importance of the 'trending topic'. Twitter is an exceptional social tool, not only for witty banter, but for serious business too. Staying on top of trending topics is vital in the attempt to stay current and relevant, and to know what your target audience is talking about. But how relevant are the trending topics determined by Twitter? For the English speaking world; extremely relevant. For the rest of the world; not so much.