Internet, Tracking | featured news

When you have it on, every time you visit a Web page, it records all the third-party trackers that glom onto you. There’s no great technical wizardry involved—anyone who knows how to navigate the developer settings on her browser can see the same data—but Collusion visualizes the information in a simple, alluring schematic.

The web giant and other ad companies bypassed privacy settings in Apple's Safari browser on mobile devices and computers – tracking the online habits of people who intended for that kind of monitoring to be blocked.

Major websites such as MSN.com and Hulu.com have been tracking people's online activities using powerful new methods that are almost impossible for computer users to detect, new research shows.