Mozilla Spars With Ad Group Over Do-Not-Track

Digital Advertising Alliance head slams Microsoft, Mozilla for derailing do-not-track work, while Mozilla rep counters that ad networks have been ignoring customer preferences.

By Kenneth Corbin
Thu, April 25, 2013

CIO — The head of the advertising coalition at the forefront of the policy debate over new privacy protections for consumers blasted browser makers Microsoft and Mozilla at a Senate hearing Wednesday for derailing cross-industry work developing a feature allowing Internet users to opt out of behavioral tracking.

Mozilla, Microsoft Spar With Ad Group Spar Over Do-Not-Track

But Lou Mastria, the managing director of the Digital Advertising Alliance, also found himself under fire during yesterday's hearing, with Senate Commerce Committee Chairman John Rockefeller (D-W.V.) accusing the advertisers that the DAA represents of "dragging their feet" in a technical working group developing technical standards for a "do-not-track" feature.

In the meantime, Microsoft has activated do-not-track as a default in the latest version of Internet Explorer, while Mozilla has launched a limited trial program through which third-party cookies are automatically disabled in its Firefox browser.

Skeptical of Internet Advertises

For Rockefeller, who made it clear that he is skeptical about whether Internet advertisers can be trusted to enact and abide by meaningful privacy regulations on their own, those efforts mark real progress of the kind that has been absent from the advertising camp.

"We also know that legislating technology is risky. Given the current environment, though, it is clear that more is required, including continued congressional oversight."

-- Harvey Anderson, Mozilla's general counsel.

"Browsers are attempting to provide consumers with greater privacy protections, and ad networks are resisting these efforts. If you can say that I'm wrong, please prove it to me," Rockefeller challenged, pressing Mastria for answers about why a significant number of DAA members apparently continue to disregard Web headers indicating consumers' do-not-track preferences.

Mastria countered that the accord his association had reached with browser makers, regulators and other participants in the privacy debate had been undermined by the subsequent actions by Microsoft and Mozilla to incorporate additional privacy features into their browsers that had not been part of the original framework the parties had agreed to at a White House event last year.

"Unfortunately, the DAA agreement at the White House was short-circuited due to contrary approaches taken by both Microsoft and Mozilla," Mastria told the committee on Wednesday.

It was after that accord was brokered, he noted, Microsoft went on to release a new version of Internet Explorer with do-not-track turned on as a default. "This is in direct conflict with the agreement they helped develop at the White house," Mastria charged.

Then in February, Mozilla went a step further and announced the trial program that would block websites from serving third-party cookies through its Firefox browser.

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