Douban.com (Chinese: 豆瓣; pinyin: Dòubàn), launched on March 6, 2005, is a Chinese SNS website allowing registered users to record information and create content related to film, books, music, and recent events and activities in Chinese cities. It can be seen as one of the most influential web 2.0 website in China. Douban also owns an internet radio station, which ranks No.1 in iOS app store as of 2012. Unlike Facebook and Renren, Douban is open to both registered and unregistered users. For registered users, the site recommends potentially interesting books/movies/music to them in addition to serving as a social network website and record keeper; for unregistered users, the site is a good place to find ratings and reviews of books/movies/music.