A simple tool lets you opt out of advertising programs that track your Web clicks
Hundreds of thousands of Web sites show ads provided by Google, such as those little text ads that offer you everything from diets to dog training. Now Google has announced plans to track your clicks across all these sites, and then serve up ads personalized to your tastes. Visit a bunch of electronics-related sites, say, and the next site you view may show you an ad for the latest must-have gadget, even if you're now reading about ways to reduce stress through yogic meditations.
As Big Brother as it sounds, this is actually something that many advertising companies already do. But don't worry: There's a way to stop Google--and all the others--from prying.