<http://schema.org/description>
"It has emerged that up to 40% of new Angry Birds users are opting for additional assistance in Rovio's insanely popular gaming title, paying for the &amp;quot;Mighty Eagle&amp;quot; in-app ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/mobile/2011/03/01/40-of-new-angry-birds-users-pay-extra-for-in-app-help/>