As websites and web apps have grown in complexity, so have their demands: They want access to your webcam to make video calls, they want to know where in the world you are to serve up local information, and so on. In fact, websites now ask for almost as many permissions as the apps on your phone do, though you might not be as familiar with how to manage them. We'll show you how. We'll also explain how to restrict the cookies and other data websites can save locally on your laptop.

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