How Many Social Nets Are Too Many?

How Many Social Nets Are Too Many?
Several people have linked to this short article and lengthy list of more than fifty social networking services. Having finally received my invitation to Orkut, I can report that it's pretty much like the rest, though authored with Google's usual style and clarity. But it doesn't matter. Systems like Orkut and Friendster (which I have also tried) are not the future, not because (as Cory Doctorow says) "There are only so many hours in the day," but because they are incorrectly designed. More...