the worrying thing is... you can basically put a page up with a block of 20 ads with little or no content..
now if i was paying Yahoo for these ads... I'd be slightly pissed off about that! I've been using and abusing adsense for a few years now & the publishing guidelines are tighter than ever.. also as an advertiser who spends a couple of grand a month on adwords I can pretty much nail down the type of site or search result i want my ads to show on & skip most of the MFA stuff... I wonder if the poor suckers who are paying for these ads get the same control?