Anyone who remembers Do Not Track—the initiative that was supposed to allow browser users to reclaim their privacy on the Web—knows it was a failure. Not only did websites ignore it, using it arguably made people less private because it made them stick out. Now, privacy advocates are back with a new specification, and this time they’ve brought the lawyers.
Under the hood, the specification, known as Global Privacy Control, works pretty much the same way Do Not Track did. A small HTTP header informs sites that a visitor doesn’t want their data sold.
