Tencent QQ, generally referred to as QQ, is the most popular free instant messaging computer program in Mainland China, and currently has over 300 million users.[3] The program is maintained by Tencent Holdings Limited (HKEX: 0700), owned in part by Naspers.[4] Since its entrance into Chinese households QQ quickly emerged as a modern cultural phenomenon, now being portrayed in popular culture. Aside from the chat program, QQ has also developed many subfeatures including games, pets, ringtone downloads, etc.