On the other side, Bing needs to bring more advertisers to their adcenter, to get higher ppc prices for higher revenues. Google benefits from much more advertis

On the other side, Bing needs to bring more advertisers to their adcenter, to get higher ppc prices for higher revenues. Google benefits from much more advertiser presence as a result of search market share. Or if advertisers open up their ads using robads standards, bing and other Google competitors would have a higher monetization; see http://news.ycombinator.com/item?id=3022998 http://news.ycombinator.com/item?id=3022998 for rsobad