In this photo taken Saturday, May 19, 2012, Pavel Durov, founder of Russia's leading social network VKontakte, or "in contact", sits in a cafe in Red Square in Moscow, Russia. Creator of Russia's leading social network Durov left his post as CEO on Tuesday April 22, and is understood to have left Russia, one week after he posted online what he said were documents from the security services demanding personal details from 39 Ukraine-linked groups on VKontakte. (AP Photo/Roman Kulik)