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DamonHD - 12:44 am on Oct 31, 2007 (gmt 0)
But if a user's machine and/or brower has been taken over then it can send any data up the wire to Google that it likes. There is nothing especially for Google to check against, at least until the money involved is big enough to notice... Rgds Damon [edited by: DamonHD at 12:45 am (utc) on Oct. 31, 2007]
The 'Allowed Sites' feature of AdSense at least stops your ID being used on sites that you don't control.