Now I am going to Shere my experience with Google Duo.Now a days vedio calling is very popular.Every one use it to get in touch with their friends parents relatives.I am also not behind the least. I also use it. Actually it is one of my favourite application .I live far from my parents. But Google duo helps us to see each other. It is also free of cost. Vedio quality is super . It takes a minimum data. Sound quality is also good. Anyone can connect with there near one without any obstacle.I just love it. Everyone can use it without any quary