1.Facebook Facebook with about 900 million users, is the world's largest social networking site.Facebookhas more than 2billion monthly active users as of June 2017. 2.YouTube It is a video sharing website, in February 2005 14 on station, global website ranked third. 3.Twitter Social micro-blog website, online in June 2006, ranked eighth in the world. 4.LinkedIn The professional social networking site, founded in December 2002, ranked thirteenth in the world. 5.Tumblr The most popular blogging platform, founded in 2007, ranking thirty-sixth in the world, the product will blog evolved into a stream of consciousness narrative trivial, log dapper, trigger point is very casual, can be a picture, a video, a quote, a link or thought. 6.Pinterest The picture sharing community website, online in March 2010, ranked thirty-eighth in the world. 7.Google+ The social network service site is centered on groups (groups), on the 28 line in June 2011, and the global flow rate is about 100. 8.Badoo Dating social networking site, founded in 2006, ranked 133rd in the world. 9.DeviantArt The online community of artists sharing and displaying their works was founded in August 7, 2000 and ranked 139th in the world. 10.Wechat It was founded in 21th Jan.2011.As you know it is used in china based on the numbers of chinese,it is also popular in all over the world these years.