Is Insider Bidding Driving Up the Price of Keywords?

[mandy]

...the fact that engines are both buying and selling the advertising makes it difficult to discern whether lines are being crossed. MSN bidding for keywords on Google is one thing; MSN bidding for keywords on MSN is something altogether different. Even if they're participating in the same auctions we are, the engines control the rules and have a better understanding of the game. At companies as huge as the Big 3, we're not sure the left hand knows what the right hand is doing all the time, but they do have access to information the rest of us don't, which could potentially lead to abuse, even 'insider bidding.'...

full article: http://searchviews.com/archives/2006/04/biddin_war.php