It has long been an open secret that an army of paid Russian Internet commenters works out of a sleepy residential neighborhood in northern St. Petersburg.
Russia's War Against Ukraine
Global Voices: Inside the Kremlin troll army machine; templates, guidelines, and paid posts
A picture taken in Russia's second city of St. Petersburg on Nov. 1, 2013, shows a view of a building where the social network VKontakte (In Touch) rents an office space.
