Hello to all friends.Parents need to know that WhatsApp Messenger lets users start video calls and send encrypted text messages, videos, photos, and audio messages to one or many people with no message limits or fees. . This app is very good for everyone. Not Hacker system. The app checks your phone’s address book for WhatsApp users and connects you automatically.Unkonw person not send message you without your permission, I mean this is personal account. fun yours friends & relatives