Click2net.com - Affiliate Marketing - Unlike many of the other marketing channels available to marketers for one reason, in the affiliate marketing you only pay for the actual performance. Forrester Research reports that over 65% of the top four hundred on-line retails operate at least one affiliate program; the majority of them operates multiple ones. A more recent study by Forrester Research and Shop.org reports that 98% of all marketers that participate in affiliate marketing activities consider it as a very effective way in driving sales.