What is WhatsApp?
WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.
Platform/phones Supported: iPhone, BlackBerry, Android, Windows Phone and Nokia
Costs: WhatsApp Messenger uses the same internet data plan that you use for email and web browsing, there is no cost to message and stay in touch with your friends.
Activities Supported: WhatsApp users can create groups, send each other unlimited images, video and audio media messages.
