I have heard it mentioned a million times, read a little (very little admittedly) about it, and still can't see what makes it special over yahoo/aol/trillian/msn messenger etc............please tell me what makes it so different and special? And please, no patronising *well, idiot, it's special because of.......* replies. Cos as we/you know, some uses don't seem so obvious til you are a veteran user!