I have advised clients for some time to just say no to Google's content network. Historically, click fraud was high and returns were low. I was at Google in December and the consensus of advertisers seemed to be that Google has gone a long way toward cleaning out the riff-raff. So, it may be time to re-think advertising on the content network. Here's some good reading: How Google, Yahoo Content Ad Matching Really Works Content Advertising Best Practices in Action Content Advertising E...
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