Engage says CPM more effective that CPC's

[Brett_Tabke]

[internetnews.com...]

"...marketers who measure only the first post-click conversion miss about 75 percent of their campaign's performance, according to the study. Indeed, click-throughs produced about 30 percent fewer conversions than impressions."

[Mike_Mackin]

Which is why the first question we ask an affiliate site is "how long does the cookie track our customer".