Revoultionary in Messaging Area. Review on WhatsApp

Hey Guys, I think everybody knows about the WhatsApp nowdays.Even a 4 year old children can tell us about the WhatsApp. WhatsApp basically started with a messaging app. WhatsApp changed the way of messaging.Firstly if any one wants to convey a message to anyone than he/she has to use email and using email is quiet complex at that time as compared to today but WhatsApp changed the way of texting message or sending message and it is very easy to use.Its very easy to use and anybody can use it. WhatsApp comes with some good features also.WhatsApp contains voice calling and video calling feature.Approx 60% people use it for message conveying.By WhatsApp there is a revolution in the market.Its an FREE of cost App.It is the first one to start text messaging in smartphones via internet and the best thing.Today WhatsApp company is the one of the Biggest company in the world and many company is working with WhatsApp.