WhatsUP is a real time Chatting App.

After logging in with a username(name by which everybody will recognize you) and a password... You will see 2 sections:

1. Global --> Here you can chat with people all across the world and share your views on any topic you want..
2. Private --> Here you can make friends and talk with your friends privately.. what you need to do is send a friend request to that person by entering his/her username and he/she have to accept your request .. then you are good to go ..you can chat with each other privately.