Ghostery Firefox Add-On Detects and Controls Unwanted Web Tracking

Ghostery is a free add-on for Firefox that can help you detect invisible web tracking via web-tags, web bugs, pixels, beacons, and all sorts of ad networks powered by your personal browsing data. Ghostery’s comprehensive add-on allows you to see each company’s tracking behavior with links to their individual privacy policy as well as relevant opt-out options for each company. There’s also an easy way to block any unwanted tracking: