<http://schema.org/description>
"Popular mobile messaging app WhatsApp is on fire, apparently. Today, the company shared that it had hit a new daily record with 4 billion outbound messages sent, and 6 billion messages ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2012/08/23/whatsapp-hits-new-record-10-billion-total-messages-one-day/?fromcat=all>