I gotta think the Cringely is a bit off in his article about the death of social networking. I think what he means to say, is the death of 95% of social websites as natural selection weeds out sites that don’t drive traffic. The big ones will turn a profit as the advertising model takes hold and revenue is generated.
I can’t tell you how many times a friend as come up to me and said, “I finally got a Facebook [MySpace, Twitter, LinkedIn] accout. The whole thing is pretty dumb. What’s all the hype about?”
Next think I know, they’re throwing sheep at me every day, sending me super hero challenges every 10 minutes, and tweeting about their lunch break soup. I hope they realized they just answered their own question.

