<http://schema.org/headline>
"Siri Ported to iPhone 4 from the 4S, Why Didn&amp;#8217;t Apple?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gottabemobile.com/2011/10/15/siri-ported-to-iphone-4-from-the-4s-why-didnt-apple/>