Civil rights groups challenge Google-DoubleClick merger

Three US online civil rights groups have filed a complaint asking the US Federal Trade Commission (FTC) to block Google's planned $3.1bn (£1.5bn) acquisition of DoubleClick unless the company agrees to stop tracking its users.

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Three online civil rights groups have filed a complaint calling on the US trade watchdog to block Google's planned $3.1bn (£1.5bn) acquisition of DoubleClick unless the search giant agrees to stop tracking its users.

The complaint, filed by the Electronic Privacy Information Centre (EPIC), the Centre for Digital Democracy (CDD), and the US Public Interest Research Group (PIRG), calls uponthe US Federal Trade Commission (FTC) to block the merger unless it obtains guarantees from Google and DoubleClick that they will protect internet users' privacy.

Those guarantees include a promise to destroy all cookies and other persistent identifiers resulting from internet searches that are or could be personally identifiable once a user terminates a session with Google.

Such a move would seriously affect many of the services Google offers, which are built on storing the entire search or transaction history of its users.

"We are troubled by the fact that search histories are maintained after the session expires," said EPIC executive director Marc Rotenberg.

That's not the way people expect things to work, he added.

Asking users' permission to track their searches would not make things better, according to Rotenberg. "This is not something that turns on consent," he said. The retention of the data is the bad practice."

Google amasses data about the search and surfing habits of millions of internet users, tracking what they look at, what they write and even what they buy in order to serve relevant advertising. DoubleClick follows web surfers' activities through cookies attached to the banner ads it serves up, exchanging information with advertisers to help them better target their messages.

The collection of such personal information poses far-reaching privacy concerns that the Commission should address, the three advocacy groups said.

"Neither Google nor DoubleClick have taken adequate steps to safeguard the personal data that is collected. Moreover, the proposed acquisition will create unique risks to privacy and will violate previously agreed standards for the conduct of online advertising," the groups wrote in the complaint.

Those standards include the Organisation for Economic Cooperation and Development (OECD) Privacy Guidelines.

The three groups called on the FTC to investigate what effect a Google-DoubleClick merger will have on Google's ability to track and profile internet users' activities.

They also want the FTC to order DoubleClick to remove cookies and other identifiers identifying individual users from any records it transfers to Google, unless the company has previously obtained explicit consent from those the data relates to, including giving users the right to first inspect, delete and modify the data.

Other demands include ordering Google to explain publicly how it plans to comply with privacy standards such as the OECD Privacy Guidelines, ordering the company to provide reasonable access to personally identifiable data it holds to the subject of that data, and establishing a meaningful data destruction policy.

EPIC campaigns for internet users' right to privacy, the CDD for a more open and diverse internet, and the US PIRG for fair marketplace practices.

An EPIC spokesperson said they are optimistic that the FTC will take action. "They have responded to similar cases before," he said.

Google's Global Privacy Counsel Peter Fleischer thought such action unlikely, however.

"Google believes the complaint is unsupported by the facts or the law," he said. "When we have a chance to explain to the FTC why we keep this information, I think there is zero chance that the FTC will order us to delete it at the end of a session."

Google, like other web site operators, keeps logs of page requests in order to detect patterns and protect its servers from attack, Fleischer said. "An order to delete these would leave us vulnerable to security attacks, and that cannot be good for our users' privacy," he added.

Meanwhile, DoubleClick issued its own statement regarding these concerns, saying it's incorrect to say the data it collects could be used by Google or combined with information owned by Google. The data DoubleClick's ad systems collect is owned by its clients, and that will not change as a result of the Google acquisition.

"Further, Google would not be able to match its search data to the data collected by DoubleClick, as DoubleClick does not have the right to use its clients' data for such purposes," the statement reads. "By contract, DoubleClick has only the limited rights to use data for its aggregate reporting and to disclose data, if so required, to government authorities."

(Juan Carlos Perez in Miami contributed with this article.)

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