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Receptional - 11:52 am on Sep 5, 2006 (gmt 0)
We're all going to have to wait a while yet before an Adsense competitor comes to the table...
The content ads invitation is not for third party sites - it is for distributing existing ads across other Microsoft web properties. (I'm just speculating here, but I'd guess MSNBC would be a good place to start)