YouTube is a video-sharing website on which users can upload, view and share videos. Youtube hosts a wide variety of user-generated video content, including movie clips, TV clips, and music videos, as well as amateur content such as video blogging. short original videos and educational videos.
Youtube became so big because it was the first site to make video-sharing easy, and it still makes it easy with new innovations and handy features. Combine this with one the biggest video libraries in the world and it's easy to see why YouTube is the best.