Although authorities in Iran filter thousands of websites including YouTube, it is increasingly used by many Iranians who manage to by-pass the censorship; they regularly place their home made or semi-professional controversial videos on the web, to challenge the Islamic government’s social and political restrictions.
http://www.huffingtonpost.com/omid-memarian/youtube-the-battle-of-t_b_51044.html
YouTube: The Battle of Technology vs. Censorship in Iran
Although authorities in Iran filter thousands of websites including YouTube, it is increasingly used by many Iranians who manage to by-pass the censorship; they regularly place their home made or semi-professional controversial videos on the web, to challenge the Islamic government’s social and political restrictions.