Whatsapp is the best messenger available in the market.its very popular because of its performance.its very fast and flexible.unless other messengers whatsapp offer highest security with th help of encryption.the concept of watsapp is very impressive.its best app for exchanges between two and more peoples.with help of group facility we can achive multicasting.the impressive functions of whtsapp are hd clarity videos and audio calling facilities.can transfer messeges in the form of audio and text.we can update our status daily.whatsapp introduced new features to set a video status.the outlook of the app keep high standard.but I have a suggestion to enlarge the video size of status from 30 sec to 1 min.aprt from it its extraordinary app.my rating is 4.9/5