Good point.

I've always thought that ads that were reviewed, and could be reviewed very negatively, would be an interesting check on scams and bad products. You gladly take the advertisers money, but if people rate the ad poorly it's a waste and possibly negative value. This might encourage good ads and ads for good products.

that sounds like a really good idea, both from a consumer perspective and an advertiser perspective. i don't want to see ads for things that my friends don't think i'd be interested in, and i don't want to pay to have my ads shown to people whose friends are just going to warn them away from me.

But I (and probably no one) trust(s) all my friends about every topic or type of product/service. So better to show me the ad and which friend(s) gave the review so I can determine if that is actually a mark against the ad or not.