MOSCOW, May 4 (RIA Novosti) - The number of registered subscribers to Russian President Dmitry Medvedev"s video blog on the Kremlin website has passed the 20,000 mark, site moderators said Monday. Over 5,000 visitors have left comments at www.blog.kremlin.ru, with a total of 14,500 comments published since January 12, when subscribers first had the opportunity to leave their comments on the president"s video posts. In late April, Medvedev also posted his first video blog on the LiveJournal.com website in the form of a social networking community at http://community.livejournal.com/blog_medvedev/, which runs in tandem with his web blog on the Kremlin site. Comments by Internet users are moderated and are not published if they are found to contain abusive or discriminatory language.