Hacker News Reader

Letter B in [name redacted] logo looks very similar to vkontakte.ru logo, don't you think so?

Not that close. Anyway I have never heard of vkontakte.ru before and it is the logo I have used since last year.

How long has vkontakte.ru been running?

May be 5-6 years. It' the largest Facebook competitor in Russia having millions of users.