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Re:Ads on paulgraham.com -- Check the bottom of any PG essay by nickb on Tuesday July 24, 2007 @12:24AM (#36274)
http://www.kuro5hin.org/ had ads that you can comment on etc. but it never worked out. These new ads are a step forward with the targeting system.

Still, I'd like to know how many people actually care about seeing ads.

Re:Ads on paulgraham.com -- Check the bottom of any PG essay by staunch on Tuesday July 24, 2007 @01:56AM (#36286)
Reddit too, also failed there as far as I can tell: http://ads.reddit.com/

This doesn't mean it wouldn't work across a large set of sites though. Aggregating responses and correlating them should produce really effective targeting.