Minor nit, but your linked reference notes: [VK] is 8th most popular social networking site in the world http://www.ebizmba.com/articles/social-networking-web

Minor nit, but your linked reference notes: [VK] is 8th most popular social networking site in the world http://www.ebizmba.com/articles/social-networking-websites http://www.ebizmba.com/articles/social-networking-websites [This list itself may be open to question, however. See for example some major exclusions: http://www.businessinsider.com/a-quick-guide-to-chinas-social-networks-2013-10 http://www.businessinsider.com/a-quick-guide-to-chinas-socia...]