The WhatsApp is very popular app among all people in whole world .
The concept of this app os very good because this makes connect all the people in the world with one appand its totally free.
In this we should only download the app after that all is very easy. Full your no. And then ok
When can send photos , videos , music.
We can also share any type of document any where in the world.
I suggest to all the people to to download this app thus is very easy to use and in this time all the people have WhatsApp they connect all the people .