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-- Google AdSense
---- Adsense: how many ad units per page work for you?
netmeg - 10:42 pm on May 7, 2012 (gmt 0)Thread source:: http://www.webmasterworld.com/google_adsense/4450238.htm
They may have better/other options to them. I dunno. I've rarely even run 3 myself, but I wouldn't be surprised if G made an exception if they thought it was to their advantage.
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