We all know about the WHATSAPP.This is the most usefull and helpfull app ever we used.Everyone use this app.
WhatsApp has become the most popular instant messaging app with connecting more than a billion people.These people who most probably include you and me can share instant messages and multimedia files for free and more interestingly can talk for free and unlimited.
The app works on nearly all smartphones and is also available for computers and works on all networkes.WhatsApp allows free phonecalls to any whatsApp users.
It uses your mobile number to identify.
An interesting feature of whatsApp is group chatting where a group of people can share text messages and other media or files.
WhatsApp is a simple and light app and it is very very easy to use.