Developers in the last few years have created dozens of applications to exchange short messages. Over time, they have gained a wider functionality, such as - the ability to send photos, videos, voice messages and all it's completely free, you only need to connect internet. But the popularity achieved unity, and one of these was the application WhatsApp Messenger. SMS, as well as ICQ thing of the past, instead of them come more functional and modern services. WhatsApp includes all yourself all of the above and in addition, has the ability to attach your location. The application has access to the address book of your Android, which will invite friends to correspond with the topic or who have already installed WhatsApp.