Country: China

Renren's main competitor, Kaixin001 gained fans when it launched knockoffs of popular Facebook games and apps like Happy Farm which, as you can guess, is a rip off of Farmville. Kaixin001 became so popular, Renren launched a clone service and purchased the domain. Renren's parent company, the Qianxiang Group, was found guilty and was forced to pay damages to Kaixin001.