Odnoklassniki
Odnoklassniki (), abbreviated as OK or OK.ru, is a social network service used mainly in Russia and former Soviet Republics. The site was launched on March 4, 2006 by Albert Popkov and is currently owned by VK. The website currently has more than 200 million registered users and 45 million daily unique visitors. Odnoklassniki also currently has an Alexa Internet traffic ranking of 56 worldwide and 7 for Russia. Odnoklassniki is the second most popular social network in Russia, behind VK (VKontakte) but ahead of Facebook, which is in 3rd place. History Odnoklassniki was launched on March 26, 2006 by Albert Popkov, a telecommunications professional residing in London. Having previously been involved in similar projects in other European countries, Popkov initially developed Odnoklassniki as a hobby project from March to November 2006. During this period, it was only mentioned commercially within a friendly advertising agency as an advertising platform. However, due to a significant increase in userbase, Popkov established a separate legal entity for the service. By July 2007, Odnoklassniki had grown its audience to 4 million users. In February 2008, a British company called I-CD accused Popkov of Copyright infringement, alleging that he used proprietary information from his previous