We are looking at a world that will have billions of phones. And once that happens, it will become extremely easy to gain financial benefit. But a lot more people need to join the smartphone revolution and a larger number will need to buy more goods via their phones," he added.
Read more: http://www.portada-online.com/2013/04/19/whatsapp-has-no-plans-to-market-its-platform-through-advertising/#ixzz2cOAIBbXx