Most of the messenger application, require its own access via a special way. A developer then came up with based on the mobile phone number as access to conduct text conversations. WhatsApp led to the idea which is then called WhatsApp to see that everyone wanted to talk to each other all the text but not prevented by a PIN or user ID.
WhatsApp messenger applications rapidly acceptable by users. Till now, WhatsApp Messenger can be downloaded to the iPhone, Blackberry, Symbian (Nokia), or Android. In other words, you are now able to communicate (chat) with iPhone users, Nokia, or Android, although users using the Blackberry.
When the application is activated, it automatically lists in your phone book, which also have activated his WhatsApp, will soon appear. Thus, you do not need to ask for a phone number like using BlackBerry Messenger. In addition, your profile picture will appear by itself using photo profiles on the contact list.
So how about the mechanism of payment for WhatsApp Messenger service? Rates used are based on data rates. The amount in accordance with those offered by the service you choose, not based on the 'SMS' or voice. And of course more affordable.
