You are leaving digital footprints online. Those footprints are increasingly valuable to advertisers and marketers. How is your data — sites you’re visiting, what you’re reading online — being used, for good and bad?
Mozilla’s Collusion is an experimental add-on for Firefox and allows you to see all the third parties that are tracking your movements across the Web. It will show, in real time, how that data creates a spider-web of interaction between companies and other trackers. Download it here.