Technology blogs have been chirping enthusiastically about "lifestreaming" services like FriendFeed and Socialthing, which claim to provide an answer to growing complaints about "social-networking fatigue." They sort updates across networking and community sites into a single destination--which, in a sense, actually might be the social-media world's equivalent of reversing global warming.

Unfortunately, they still don't get rid of the hot air.

Let me get this straight: The last time I checked, I had accounts on Facebook, MySpace.com, Twitter, Flickr, Plaxo, Digg, Tumblr, Pownce, and probably a bunch of others I'm forgetting--that's not even counting whatever I do with my Google and Yahoo accounts. Now I'm supposed to choose between Pulse, FriendFeed, Digsby, Socialthing, Spokeo, Profilactic, and goodness knows what other start-ups that offer me the ability to aggregate my contacts' activity from all the aforementioned social networks, and more. Oh, great.

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