<http://schema.org/description>
"A little over two years after it launched, Google's Android operating system has overtaken Symbian as the world's dominant smartphone operating system by volume of sales. That's according ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/mobile/2011/01/31/android-reportedly-now-the-worlds-top-smartphone-os/>