VKontakte aplavin Most popular social network in Russia, I use it mainly for communications and chatting. Habrahabr chersanya Russian IT blogging portal. I don’t often write there, but sometimes do. Stackoverflow aplavin World-known Q&A site for programmers, where I’ve asked quite a lot of questions. Also, same account on other StackExchange sites. Bitbucket aplavin Code hosting for any projects. I used to keep my code with Mercurial and Git there. Github aplavin Code hosting for open-source projects. I used to keep my code with Git there. Older accounts Emails (still work): email@example.com, firstname.lastname@example.org, email@example.com. Nickname “chersanya” on many other sites is mine too. firstname.lastname@example.org Plain old Email communication. Actually, you can send your mail to any address which ends with @plav.in.