The foursquare-api-client is a library that allows users to interact with the Foursquare API using Guzzle, a PHP HTTP client. Guzzle has been fully unit tested so that the library serves as a wrapper around the Guzzle core.
In 2011, we learned that even our cars and trucks were going "social" when Salesforce.com announced its partnership with Toyota. However, the social capabilities of the partnership were limited in scope (car diagnostics, tune up reminders, etc.). What if your car could prevent you from driving a certain route because it knew what areas were traffic-heavy? That car sounds "social" in a fuller sense; it might be possible with the new Beat the Traffic API.
Being, an iOS app that allows users to browser Instagram as someone else, has had its access to the Instagram API cut off. In the first week following its launch, Being reached the Best New Apps section of the App Store's front page and was used to view more than 500,000 Instagram feeds.
Glympse, a service that allows GPS-enabled mobile phone users to temporarily share their location in real-time, has announced the availability of the Glympse platform allowing developers the ability to integrate real-time, temporary location sharing into third-party web and mobile applications. Glympse has also made available SDKs for iOS and Android as well as REST based APIs for use in websites and web based applications.