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This is a multiplatform mobile phone messaging service that uses your phone's internet connection to chat with and call other WhatsApp users. WhatsApp includes all required formats of electronic communication e.g. texts, audio, video, photos and emotions to let you enjoy best communication with your friends and family members. This simple, personal and real time messenger is very simple to use and unlike other apps of this category there is no need to log in / out because WhatsApp is always on and always connected.