Global Privacy Control (GPC)
Business Profile
Core Value Proposition
Global Privacy Control (GPC) provides a browser-integrated specification to communicate users' privacy preferences, enabling a one-step opt-out experience for data sale or sharing.
Target Customer
Web users seeking to exercise privacy rights; publishers and website operators; browser developers and extensions; policymakers and regulators.
Key Differentiator
One-step, browser-based privacy signal that is supported by major browsers and public-facing publishers, with formalization through the W3C and public endorsements from regulators and lawmakers.
Implementation Timeline
Introduced April 2020; adopted as an official W3C Privacy Working Group work item in November 2024; currently implemented in several major browsers/extensions and used on thousands of sites.
Pain Points
- 1Users must opt out on each site individually using Do Not Sell/Do Not Share links.
- 2There is a lack of a uniform, user-controlled mechanism to express privacy preferences across sites and jurisdictions.
- 3Confusion and friction in exercising privacy rights across different regulations and platforms.
Key Features
- 1Signal-based privacy opt-out that can indicate Do Not Sell or Do Not Share preferences.
- 2Browser/extension integration across multiple major browsers (e.g., Brave, DuckDuckGo, Firefox).
- 3Back-end reference documentation and publisher guides for easy implementation.
- 4Support for cross-context rights in alignment with CCPA and GDPR interpretations.
- 5Public, standardized approach through the W3C Privacy Working Group.
Target Customer Industries
Decision Makers
- 1California Attorney General
- 2Senate Finance Chairman
- 3Governor of Virginia
- 4U.S. Senator (Virginia)
- 5Bermuda Privacy Commissioner
Client Results
- 1Over 150 million users have joined or used GPC-supported browsers/extensions.
- 2GPC is supported by browsers/extensions used on over 66,000 websites.
- 340 million consumers are reported to be using browsers and other privacy tools that support an opt-out signal.
- 4The New York Times and The Washington Post have pledged to respect GPC signals.
- 5GPC was introduced in April 2020 and adopted as an official W3C Privacy Working Group work item in November 2024.
Competitive Advantages
- 1One-step, browser-based mechanism to indicate privacy preferences, reducing user effort.
- 2Broad browser and publisher support increases likelihood of widespread compliance.
- 3Regulatory alignment with CCPA and GDPR interpretations provides legal relevance and credibility.
- 4Formalized through W3C standardization efforts, elevating interoperability.
Key Benefits
Case Studies & Success Stories
GPC Privacy Browser Signal Now Used by Millions and Honored By Major Publishers
Press and announcements highlight widespread usage and endorsements by major publishers; signals that The New York Times and The Washington Post pledge to respect GPC; regulators recognizing the approach as advancing consumer privacy rights.
Additional Product Information
Product Description
A proposed specification that enables a browser- or device-level signal to inform websites how to treat a user’s privacy preferences, including opt-out of data sales/shares and related rights across jurisdictions.
Target Market
Web users, website operators (publishers), browser vendors and extension developers, policymakers
Unique Value Proposition
A standardized, browser-integrated privacy signal backed by major publishers and regulators, enabling a universal, one-step method to exercise privacy rights across many sites.
Technical Requirements
A setting or extension in the browser or mobile device; supported by Brave, DuckDuckGo, Firefox (and other implementations); reference documentation and publisher guides available; ongoing standardization through the W3C.
Pricing Model
Not specified
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