<http://schema.org/alternativeHeadline>
"Microsoft to unveil first official WP7 Mango handset today"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/microsoft/2011/07/26/microsoft-to-unveil-first-official-wp7-mango-handset-today/?awesm=tnw.to_1A8qf>