YouTube is a popular video sharing site over the internet where users can upload videos, share or watch their favorite videos. YouTube is the 3rd most popular website that is browsed by the internet users after Facebook and Google.
In the year 2006, YouTube was acquired and bought by Google company for $1.65 billion. Every minute more than 72 hours of video is uploaded in the YouTube and over 4 billion hours of video are viewed every month by the YouTube users.
Out of total visitors, 20.5% of the visitors are from United States. In some countries such as china, Iran, Syria and Turkmenistan, YouTube is blocked for security issues. It has introduced HD videos in year 2008 and in 2009, YouTube has allowed uploading 3D videos.
Several short cuts available on keyboard helps the YouTube visitors to have quick access to the videos. The Volume of video can be controlled by upside and downside arrow and users can press 'F' for viewing the videos in full screen.