Someone may be tracking your every move on the Internet--from the moment you connect to the Web through an Internet service provider. Now privacy advocates are crying foul, and Congress seems to be listening. At the center of a growing privacy storm has been Redwood City, Calif.-based NebuAd, which partners with Internet service providers (ISPs) so that it can analyze data about subscribers' online habits to better target ads. This may become a rich data vein in the $45 billion online advertising goldrush, but privacy advocates say it's simply too deceptive. Most consumers, they contend, don't realize that just connecting to their Internet service generates a stream of data about their habits and preferences. On Wednesday, the Senate's Commerce Committee will put NebuAd's use of Internet provider information for ad targeting...
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