Whatsapp has made out life's easy to communicate to our loved one's.it is used by people's world wide. it is the one of the most popular app . we can display our pictures, our status, block who are unknown, we can send pictures, videos, it cost very low data charge. Thirty billion whatsapp messages are send per day. we can even make groups on what out of 100 peoples. Whatsapp is also usefull for collage and school students to exchange their notes, homework and schedule of timetable. It connects with your friends so you can always stay in touch with your friend. Women's like house wife's can share cooking videos, shopping pictures and etc.