Other useful ways of contacting clans and players are:
icq,x fire, msn and maybe steam. The main ones that you should get are msn, irc and if you have a kicrophone get ventrillo. And if you are superstitous about people hearing you real voice get a voice changer. Also check the clan you are about to join by getting info off these programs or while playing dp because you don't want to ask to join the best clan in the game becuase if you've just started they will just take the mick out of you.