<http://schema.org/keywords>
"facebook buys whatsApp"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hindustantimes.com/business/iit-delhi-graduate-head-of-all-things-business-at-whatsapp/story-IDfRn7TBTFN6GKmsUAveYO.html>