WhatsApp hits new record after processing 27 billion messages in one day | consumer psychology | Scoop.it
From thenextweb.com - June 15, 2013 1:44 AM

"Mobile messaging service WhatsApp has announced record user numbers, after revealing that the service just processed 27 billion messages over a 24 hour period. That’s significantly up on its previous best of 18 billion from the final day of 2012..."