Here's the problem I see with that. Win For WW, win for Bing, we get shown ads that collectively we may have no interest in seeing.
I believe many webmasters would be interested in hearing what Bing has to say to webmasters.
Peter, I think we agree: The ads on WW need to be highly relevant. This means the ad space needs to be "sold" or "packaged" carefully and thoughtfully.
Adobe would be another potential for WW, for example. They work hard to be on the leading edge of web technology. Sometimes they are, sometimes they are not. And, yes, Google should be interested, just for the record.