Whatsapp is a popular app where users connect with people of their choosing and shair pictures, text, or videos. Users also can transfer his official work via picture, user decorate their profile, photos, share favorite product information, "like" favorite celebrities and social causes, connect with family members and live-chat, users collected thier data and shared; it includes personal information being shared with advertisers. its very special because user can make group of thier friends and femiliers. easy to use and every persons is know about whatsapp so please enjoy.