“According to Hitwise, Facebook in recent months has sent more traffic than Google to Evite, video site Tagged.com, and gossip mills Perez Hilton.com and Dlisted. That trend should only grow with the advent of Facebook Search.”
Wow. That is impressive and will only grow. Read up on the full article here.
In the future, search will still be needed and Google will probably still dominate that. However, relationships created on Facebook are going to be even more important. Getting traffic from those relationships, creating a brand on Facebook is going to be critical. I guess I need to start improving on my network of 200 friends. 
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http://www.myshingle.com Carolyn Elefant