I think no 1 start the day before he/she checks whatsapp. where ever u go whatsapp is with u.
U will not get bored.call anywhere in world, msg any1 in whatsapp frendlist, more groups u have more videos u will get. Voice quality during call amazing on 3g.and hey do u know whatsapp is now scoop proof.
No 1 can hack ur whatsapp even the CBI. whatsapp themselves cant see ur conversations. thatz anazing lol.Whatsapp is really a social app u can trust upon. Start video call also whatsapp. Then all other apps will go in bin.