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I've gotten three total responses to things I've posted on FriendFeed. Ever.
I rarely if ever get any replies on Twitter. And never have gotten a Direct Message.
Clearly I'm not a big and important person. My blog is lucky to get 50 hits in a day. My most popular post is a hack item on the most popular dog breeds. Though I was once referenced by Sports Illustrated, though I can't even find their linking to me.
I think the answer that Scoble would give is: Noisy.