While it is well known Google has higher search market share, recent analysis of profits show Yahoo's ad revenue is a lot closer than the market share would suggest.
Jupiter Research blogger David Card reports thast Google has 17 percent of online ad revenue to Yahoo's 16 percent.
These numbers are of what the comapny keeps after expenses.... could be the YouTube deal is holding down those numbers... or as some are suggesting Yahoo keeps more of the money - they pay less to their search partners... though from what I have seen Yahoo pays more, but has lower click through rates...
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