<http://schema.org/description>
"Siri, the voice-enabled virtual assistant baked into Apple's latest smartphone, the iPhone 4S, is a much talked about but not oft-used part of the iOS software platform.\r\n\r\nMaybe it's ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apple/2012/04/30/siri-please-buy-the-book-siri-for-dummies-hello-siri/>