In WhatsApp you can also customize your profile a bit. Whenever one of your phone contacts installs this app, he or she will appear seamlessly with the rest of your contacts, with the same name you added him or her at your phonebook. It uses your phone's contact list to know who of them are in WhatsApp and automatically places them on your WhatsApp's contacts list.

It doesn't requires a complex configuration, you'll get it ready by only typing your phone number. WhatsApp Messenger for Android (it's crossplatform, so also available for other systems) is really easy to use. This is ideal for workgroups, your closest friends circles, family events, and so it goes. You can create chat groups with up to 30 contacts to send messages to all of them at once. In addition, you can also send images, videos, audio files, contact details and a map with your exact locations for your friends or family to easily find you. It doesn't matter how many messages you send or their length, as long as you enjoy a flat internet rate or connect via WiFi, you can send as many messages as you want to all the contacts you want and without affecting your phone bill. It works through your 3G or WiFi internet connection to let you save money in traditional SMS texting and in many cases, even in some short calls. This advantage, plus its huge number of users, makes this app the perfect tool for staying in touch with all of your contacts for free, no matter if they find themselves right by your side or miles away.

WhatsApp Messenger allows you to send and receive messages for free to and from any other device as long as it also has Watsap installed, regardless of what operating system they're using and the geographical location where they're. Although its features are not so much better that other similar communication applications, the WhatsApp's stength lies in the volume of the users community they have achieved since its launching. WhatsApp Messenger is nowadays one the most popular messenger apps for free sending messages around the world.

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