“Say goodbye to anonymity on the Web. DoubleClick Inc., the Internet’s largest advertising company, has begun tracking Web users by name and address as they move from one Web site to the next, USATODAY.com has learned. The practice, known as profiling, gives marketers the ability to know the household, and in many cases the precise identity, of the person visiting any one of the 11,500 sites that use DoubleClick’s ad-tracking ‘cookies.'” DoubleClick claims you can opt out of this profiling hoo-hoo: Go here to kill your cookie.