Whatsapp is the no. 1 messenger app. I am every day use this app. This app design is very well. I am use this app approx 4year. I am every day chatting my friends in whatsapp app. My privacy data is secure in whatsapp because one of the best messenger app. I am send video and photo and massage my friend in this app. This app design is very good. Whatsapp other feature is excellent like video call and status so this app is very useful for me. I am so like this app. I am use this app is 1 time many friend video call so very nice and usefull app.