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WhatsApp is an app that can be downloaded on smartphones that allows users to send and receive text, image, audio and video messages using Internet data plans, allowing the user to bypass his or her phone’s standard messaging system and any costs for using it.Whatsapp has around 450 million monthly users, and 70 percent of them use it daily. The messaging volume of WhatsApp is approaching the entire global telecom SMS volume and the company is currently adding over one million new registered users per day.