You tube is best site or app whice is a part of my daily life. you is one of the best medium to cummunacate around the world. I use this app to watch many types of news and entertement purpose. in this site you can watch world wide video. you can also my own cnannel and earn. the worldbiggest you tuber is pewdipie he about more than 58 million subscriber.tis site and app is very useful for you. all android phone use you tube for enterment and education purpose. youtube very useful for student and teachers.
thanks