You tube is a video sharing website that allows to share, watch, and find videos of  movies, songs, events, learning, and dramas etc. It allows sharing videos that you create by yourself or taken from other resources. You can easily upload your choice of video and write comments on other people video. Youtube is the world's largest video sharing website that contains millions of videos. These videos can be used as a reference also. Recently, Pakistan telecommunication authority imposed a temporarily ban on Youtube due to having objectionable content against Muslims. Two years ago, in 2008 Youtube was banned by Pakistani government for displaying the same objectionable content. But later on, on 25th May this banned was lifted but PTA decided to permanently ban the pages of Youtube that contains sacrilegious and bad content.