I think the whole world knows about WHATS APP. If anyone not using this app then start using this wonderful app and get in touch with your nearby and long distanced friends. You can chat with your friends and video calling with your friends. It really feels better when we talk with our long distanced friends. Everyone should have to try this amazimg app for sharing images, videos and songs etc. You can send voice notes also if anyone dont wanna text then record a voice note on the app and send it to anyone. So friends download this great app and get in touch with your friends, cousins, brothers/sister etc