Online advertisers have a sweet tooth for cookies. Not the kind you bake, but the digital kind—those tiny files that embed themselves on a PC and keep tabs on what Web sites are visited on which machines. They're useful because they help marketers tailor which ads are served to which users.
But cookies could have a bad aftertaste for consumers. Privacy advocates say the files are being force fed in large quantities to computer users, and they're demanding that the government put some advertisers on a diet.
