A crack in the advertising-supported everything model?

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Chris Brogan quotes Dave Winer:

“i only click on ads thst interest me and only when i have the time. whcih means that i never click on ads on what you call content. never seen one that interests me and i’m generally not shopping when reading blogs.”

The Old Advertising Merry Go Round | chrisbrogan.com, Aug 2008

I'm guessing I'm not the only one who agrees with Dave. So who is clicking on the ads?