<http://schema.org/description>
"The site ProgrammableWeb has been tracking web APIs since 2005, and that's a long time in Internet years.  Today, the site announced that it has crossed the 5,000 API mark in its directory, ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/dd/2012/02/07/programmableweb-predicts-that-every-company-will-have-apis/>