http://www.conversionrater.com/2007/03/27/top-tier-vs-lower-tier-ad-networks/ A discussion of online advertising, web entrepreneurship, and personal ramblings from Pat McCarthy.. Sat, 11 Feb 2012 02:32:04 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://www.conversionrater.com/2007/03/27/top-tier-vs-lower-tier-ad-networks/comment-page-1/#comment-78179 Dudu Zar Sun, 01 Apr 2007 14:11:23 +0000 http://www.conversionrater.com/index.php/2007/03/27/top-tier-vs-lower-tier-ad-networks/#comment-78179 CPX sux....no service . ads on pirated sites....and performance??? CPX sux….no service . ads on pirated sites….and performance???

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