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Millions of web users are unwittingly
transmitting personal information to ad companies when they surfed the Internet.
In addition to such information as Social Security numbers
typed into a Web site's form, the data sent to the ad company includes such
details as exactly which Web sites are visited and which pages are read.
The discovery has alarmed both federal
regulators and members of Congress, who examined the issue Tuesday on Capitol
Hill.
The data collection systems that the
Internet ad companies are currently running are getting personal and sensitive
information that almost everyone will agree is none of the business of these
companies. It's almost like they have put hidden microphones in our homes and
our offices and they are listening to what we do all day long.
Other well-known sites like Web search
site AltaVista, multimedia site RealNetworks and travel site Travelocity have
passed along personally identifying information to DoubleClick.
When a user fills out a Web form, the
information - from street addresses to Social Security numbers - can get shipped
off to ad companies. The user doesn't have to even click on the ad for
information to be sent.
DoubleClick, the nation's largest
Internet ad agency, DoubleClick handles ads on about 1,500 Web sites and counts
the traffic. It is the subject of a lawsuit by a private consumer and a
complaint filed by the Electronic Privacy Information Center with the Federal
Trade Commission. Both accuse the company of cross-referencing its information
on Web users with the vast database of direct-mail company Abacus Direct to
target potential consumers. DoubleClick acquired Abacus earlier this year.
Web surfers have plenty of options to
protect themselves. They can go to DoubleClick's Internet site and ask to opt
out of ad tracking, or buy software that can make their Internet visits
anonymous.
Some Internet sites already use a newer version of Web forms
that don't pass on personal information. DoubleClick says it is also trying to
educate its clients.
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