A key segment for enterprises is the application platforms. In May 2007, Facebook introduced the ability to allow outside developers to inject new features and content into user experiences through a set of application programming interfaces (APIs). Based on Google’s OpenSocial APIs, MySpace soft launched its development platform in March 2008. In essence, the Facebook and MySpace are social operating systems.According to Adonomics.com (08.27.2008), there are 1,055,689,050 installs across 37,889 apps on Facebook with over 200,000 developers currently evaluating the platform. These applications were used 34,175,797 times in the last 24 hours and have a combined valuation of $481,580,329 and more than 98% of Facebook members have used at least one application.