<http://schema.org/alternativeHeadline>
"Many people, especially in the US, hadn't even heard of WhatsApp before Facebook announced this afternoon that it was buying the mobile messaging app service\u00A0for $19 billion."^^<http://www.w3.org/2001/XMLSchema#string>
<http://qz.com/178897/a-hand-written-note-explains-the-radical-purity-driving-whatsapps-success/>