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-- Pay Per Click Engines
---- Report: Botnets Increasingly Used In Click Fraud
experienceads - 1:39 pm on Jun 16, 2008 (gmt 0)Thread source:: http://www.webmasterworld.com/ppc/3675844.htm
Click Fraud has always been present but more so as adsense and YPN came out...I personally don't think G or Y really try very hard to screen out the crap traffic through content match...
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