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Discover who’s tracking you online

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.

Collusion provides an interactive, real-time visualization of the entities that track your behavior across the web.

It will show, in real time, how that data creates a spider-web of interaction between companies and other trackers.

“Collusion will allow us to pull back the curtain and provide users with more information about the growing role of third parties, how data drives most Web experiences, and ultimately how little control we have over that experience and our loss of data,” says Mozilla CEO Gary Kovacs in his blog.

Download Collusion