Our phones are so closely connected to us, to our lives. Putting advertising on this kind of device is a bad idea. No one wants to be interrupted with ads when they are talking or chatting with their loved ones.”
Read more: http://www.portada-online.com/2013/04/19/whatsapp-has-no-plans-to-market-its-platform-through-advertising/#ixzz2cO9vlRa0