Verizon to allow users to opt out of web tracking ‘supercookies’

Verizon has apparently decided to implement an option in its mobile ad-targeting program that will provide Verizon customers with the ability to opt out of targeted ad tracking, according to a New York Times report. It came to light last fall that both Verizon and AT&T had implemented unique identifier headers (UIDH) on their respective mobile networks to allow for the tracking of web activity from mobile devices. “Users who do not want to be tracked with an identifier that Verizon uses for ad-targeting purposes will soon be able to completely opt out,” the company said on Friday.

As the earlier report noted, although Verizon had provided a means for customers to opt out of being actively tracked by the company’s Relevant Mobile Advertising program, there was no way to turn off the UIDH completely, meaning that other third-party ad networks could easily leverage this data, regardless of what Verizon chose to do with it. This latest announcement confirms that Verizon is changing course and will allow users to opt out from having the UIDH attached to their web traffic entirely. Users will need to actively choose to opt out, however, and critics of the tracking program — including the Electronic Frontier Foundation — have suggested that Verizon needs to go further, making the ad tracking an “opt in” program, as most consumers are unlikely to fully appreciate the privacy implications of this kind of tracking.

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