Getting More Out of Each Click with "Post-Click Marketing"
WebMarketCentral
DECEMBER 8, 2008
Critics of these services refer to them as "spyware," though that term isn't really fair. While it doesn't offer all the features of other services, Opentracker offers smaller companies an extremely affordable entry point into post-click marketing starting at about $20 per month.
20 
Let's personalize your content