Written 06/10/07 baby, predictive or wot :-)
OK. I may be late to the party, but as ever, I make up for it with boundless enthusiasm. With FB, if this stays independent, this is disruptive, more disruptive than Google, because it directly affects people in the real world. Fit the first.
Fit the second, I expect the big web players to do their utmost to stomp on this quick, or compete like Hell.