I was asked to explain Plurk today and all I could come up with is that is was like FB but without farmville and Mafia wars. Fail 
It's like Twitter, but better because it's more organized and it hasn't been overrun with people marketing shit.
oh that is good. I never tought of that.
Mr. Mark
says
Also: Plurk works so well and is so popular in Asia that Microsoft tried to steal their code and sell it as their own.
bad microsoft, bad boy!