WhatsApp is an application that uses the same data packets that mobile browsers use, in order to transmit text messages across mobile devices. Users send texts to other phones, and pay for the data packet, which is much cheaper than paying for a traditional SMS.
The application is available iPhone, Blackberry, Android, Windows Phone and Nokia. The application has become popular since it can send video and photos, as the user chats with his or her contacts.
Once the application is installed, it goes through the user’s phone book, and upon consenting, sends a push invitation to connect and chat on WhatsApp. A user enters his or her phone number, and can then change the phone name.
The UI on WhatsApp is very clean and simple to use. At the bottom bar, Favorites, Chats, Contacts, Status and Settings are listed. In the Favorites section, you can send invitations to contacts using email, text or Twitter.
It also displays people in your contacts who use WhatsApp. The Status setting enables the user to let others know whether he or she is available, in a meeting, or busy. The user may also clear the status.
The Chats button allows the user to open a new chat or join an existing chat group. To do so the user accesses the compose feature in order to write a new note. Here the user can see all chats that he or she has sent. In the Setting area, you can change the applications display setting, such as color, font size, etc.
Te UI of WhatApp is user-friendly, and the application comes with lots of other features as well. A user can initiate phone calls from within the application; send audio, video, photos, locations and contacts. This is the reason why many people are using the application to keep in touch with friends and family, while keeping costs down.
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