In 21st century, you don't need to capture vedio shooting and send them via any sharing site, but in now era you ha e everthing in which you can see people live and with this you can experience the live people from their original location in all over the world.
this apps guve a simple and usefull concept to use for the people and it is user friendly with the ease of maintaining in the sense of its function and layout and design gives us the benificial for the users in the vedio calling .it has various advantages over their limitation in the vedio calling because their is every contact of your phone is shown in the duo app and they can be also used within the maximum people , it means their is more than 3 people can be vedio call together in the application and they can chat with face to face.
