<http://schema.org/description>
"An API (application programming interface) can assist developers in creating a richer experience for their users and, by offering developers access to an API, it can also increase the ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2011/02/17/round-up-of-5-cool-apis-for-developers/>