Mozilla, Google Propose Defenses Against Ad Tracking

Will self-regulation will be any more effective in the future than it has been in the past?

In the wake of a Federal Trade Commission threat last month to take action against companies that violate consumers’ privacy though behavioral ad tracking, Google and Mozilla this week proposed new tools to help consumers gain more control over ad tracking cookies.
The FTCs December report,
Protecting Consumer Privacy in an Era of Rapid Change: A Proposed Framework for Businesses and Policymakers,
calls for the implementation of a “Do Not Track” mechanism, similar in concept to the National Do Not Call Registry.
Yet even as the report suggests that industry self-regulation hasnt worked, it continues to recommend self-regulation, without imposing any substantive penalties for lack of compliance.
Google on Monday acknowledged the shortcomings of existing self-regulatory measures, such as the Network Advertising Initiative and the Self-Regulatory Principles for Online Behavioral Advertising. The principal problem with such programs in Googles eyes is that users who have chosen to opt-out of ad tracking have that decision erased if they ever clear their browser cookies. Also, past settings may not cover ad tracking cookies placed by companies that launched after the user set his or her ad tracking preferences.
So Google is offering a browser extension called Keep My Opt-Outs, which will store a users opt-out preferences even if he or she subsequently deletes his or her browser cookies. This extension is intended to serve as a complement to Googles existing Advertising Cookie Opt-out Plugin.
[W]e’ve designed the extension so that it should not otherwise interfere with your Web browsing experience or Web site functionality, explain Google product managers Sean Harvey and Rajas Moonka in
a blog post
. This new feature gives you significant control without compromising the revenue that fuels the Web content that we all consume every day.
Mozilla meanwhile is proposing a Do Not Track HTTP header that will allow browser users to transmit their desire to opt-out of behavioral ad targeting to Web servers.
When the feature is enabled and users turn it on, Web sites will be told by Firefox that a user would like to opt-out of [online behavioral advertising], said Alex Fowler, Mozillas head of global privacy and public policy, in
a blog post
. We believe the header-based approach has the potential to be better for the Web in the long run because it is a clearer and more universal opt-out mechanism than cookies or blacklists.
Anup Ghosh, founder and chief scientist of Invincea, a browser security company, finds both approaches lacking. Mozillas proposal, he says, is a paper tiger.
Its basically up to Web sites to do something or nothing with [users preference information], he said in a phone interview. Its not enforceable.
Microsoft recently discussed a similar privacy feature in Internet Explorer 9. Ghosh says that while he was initially critical of what Microsoft was doing, the Mozilla proposal makes him think better of whats coming in IE9, even though Microsofts privacy plan puts the onus on the user to identify the cookies to be blocked.
Without any penalties for lack of compliance, Mozillas proposal, he suggests, ends up harming those companies that choose to comply rather than those that do not.
Googles approach, he observes, requires users to download and install software. Most users arent going to be doing that, he said.
Faced with solutions of dubious efficacy, users may resort to technology that already works: ad blocking extensions. Ghosh concedes that ad blocking extensions will prevent cookies from being placed. But the industry doesnt want to go that way, he said. Advertising pays for free content.
That leaves open the question of how much the ad industry really wants to pay for privacy.

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Mozilla, Google Propose Defenses Against Ad Tracking