Youtube is a wonderful site with lot of information. There are too many sites to extract the use full information what ever be required but all you cannot get all information from single website. Youtube is the only site where all kind of information are there, you can search any thing what ever in your mind, all the answer are there of your query. Most of Hollywood/Bollywood/tollywood movies are available, all songs, all entertainment, history of any country, views of peoples, and lot more videos which is very help full and usefull to enhance our knowledge and skill.