<http://schema.org/headline>
"Facebook Hits 1 Billion Users, Mark Zuckerberg Does &amp;#8216;Today&amp;#8217;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://blogs.wsj.com/speakeasy/2012/10/04/facebook-hits-1-billion-users-mark-zuckerberg-does-today/>