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-- Google AdWords
---- Can you upload a pixel to stop you ad from serving on a visitor?
ogletree - 2:08 am on Aug 25, 2013 (gmt 0)Thread source:: http://www.webmasterworld.com/google_adwords/4581517.htm
You can use IP blocking. Of course you only get 500 ip's.
That would be a rather time consuming thing to keep on top of.
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