What is Whatsapp Messenger?
Whatsapp Messenger is an app (software program) which you can use to send messages on your phone. It’s basically an alternative way to send free sms text messages using your internet connection.
Whatsapp is available for iPhone, BlackBerry, Android, Windows Phone and Nokia. Whatsapp is not only restricted to sending text messages but you can also send pictures, video’s, voice messages, contact information and share your current location.