I have a Gmail account... If someone wants to send me an invite, I'd be more than happy to accept

Given my education that I'm at, it's a good idea for us to stay updated with the trends of the internet o.o So I'd appreciate if anyone can 'get me in'
We study such things as social websites, communication and yada yada.
I bet it's one of those things that will die out really quickly, or some dude finds some amazing use for it that makes it immensely popular... Or it will sort of just become a things that's just there... Like MSN/Live spaces... Does anyone actually use those?