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-- Google AdSense
---- A lot of "invalid clicks" this month?
jpch - 1:25 pm on Apr 29, 2013 (gmt 0)Thread source:: http://www.webmasterworld.com/google_adsense/4568718.htm
That would be my guess...but that's just a guess as only Google knows for sure. I've personally done that on sites other than my own.
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