Meta · Meta Privacy Policy

Cross-Platform Data Combination

High severity
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What it is

Meta takes all the information it has about you from Facebook, Instagram, Messenger, and WhatsApp and combines it into a single profile, which is also enriched with data from outside companies and public sources.

Why it matters (compliance & risk perspective)

This means a single behavioral or demographic signal from one app — say, a health group you joined on Facebook — can influence what ads you see on Instagram, creating a far more comprehensive and potentially sensitive profile than users expect from any single service.

Consumer impact (what this means for users)

Your activity on Instagram, Facebook, WhatsApp, and Messenger is merged into one unified advertising profile, meaning data you share in one context (such as a health-related Facebook group) can shape your experience across all Meta platforms.

What you can do

⚠️ These actions may provide transparency or partial mitigation but may not fully address the underlying issue. Effectiveness varies by jurisdiction and individual circumstances.
  • Opt Out of Arbitration
    Go to facebook.com/off_facebook_activity, click 'Clear History' to disconnect past off-Facebook browsing data from your profile, then select 'Manage Future Activity' and turn off future off-Facebook activity tracking.

How other platforms handle this

Google Medium

We will share personal information outside of Google if we have a good-faith belief that disclosure of the information is reasonably necessary to: Respond to any applicable law, regulation, legal process, or enforceable governmental request.

Reddit Medium

Reddit, Inc., is based in the United States and we process and store information on servers located in the United States. We may store information on servers and equipment in other countries depending on a variety of factors, including the locations of our users and service providers. By accessing o...

Microsoft Medium

Microsoft complies with applicable legal requirements providing adequate protection for the transfer of personal data to countries outside of the EEA. We transfer personal data from the EEA using the European Commission approved Standard Contractual Clauses.

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This clause could change without notice.

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View original clause language
We combine information about you from across the Meta Products and devices you use. We also combine information about you that we receive from third-party partners, and information about you that is available from public sources. We share information about you across the different Meta Products, and we use that information to provide and improve these products, for ads and measurement purposes, and to promote safety, integrity, and security.

Institutional analysis (Compliance & legal intelligence)

REGULATORY FRAMEWORK: This provision implicates GDPR Art. 6(1)(f) (legitimate interests as legal basis for cross-platform combination), Art. 9 (special category data that may be inferred through combination), Art. 22 (automated profiling), and Recital 47 (legitimate interests balancing test). The Irish DPC is the lead supervisory authority; all EU/EEA DPAs retain concurrent jurisdiction. CCPA/CPRA §1798.140 (definition of 'sharing' for cross-context behavioral advertising) and §1798.120 (right to opt out of sharing) are also engaged.

Full compliance analysis

Regulatory citations, enforcement risk, and due diligence action items.

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Watcher: regulatory citations. Professional: full compliance memo.

Applicable agencies

  • FTC
    The FTC has enforcement authority over Meta's data combination practices under FTC Act Section 5 and has issued enforcement actions against Meta for deceptive cross-platform data use.
    File a complaint →

Applicable regulations

BIPA
Illinois, USA
CCPA/CPRA
California, USA
COPPA
United States Federal
CAN-SPAM
United States Federal
DMA
European Union
FCRA
United States Federal
GDPR
European Union
GLBA
United States Federal
HIPAA
United States Federal
UK GDPR
United Kingdom

Provision details

Document information
Document
Meta Privacy Policy
Entity
Meta
Document last updated
April 29, 2026
Tracking information
First tracked
March 6, 2026
Last verified
April 9, 2026
Record ID
CA-P-002390
Document ID
CA-D-00021
Evidence Provenance
Source URL
Wayback Machine
SHA-256
b1a255c7398bbe7782a1515d8b3f44d46d84b5c925a280a05a176e2174258b1a
Verified
✓ Snapshot stored   ✓ Change verified
How to Cite
ConductAtlas Policy Archive
Entity: Meta | Document: Meta Privacy Policy | Record: CA-P-002390
Captured: 2026-03-06 20:46:36 UTC | SHA-256: b1a255c7398bbe77…
URL: https://conductatlas.com/platform/meta/meta-privacy-policy/cross-platform-data-combination/
Accessed: May 4, 2026
Classification
Severity
High
Categories

Other risks in this policy

Related Analysis

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Frequently Asked Questions

What does Meta's Cross-Platform Data Combination clause do?

This means a single behavioral or demographic signal from one app — say, a health group you joined on Facebook — can influence what ads you see on Instagram, creating a far more comprehensive and potentially sensitive profile than users expect from any single service.

How does this clause affect you?

Your activity on Instagram, Facebook, WhatsApp, and Messenger is merged into one unified advertising profile, meaning data you share in one context (such as a health-related Facebook group) can shape your experience across all Meta platforms.

Is ConductAtlas affiliated with Meta?

No. ConductAtlas is an independent monitoring service. We are not affiliated with, endorsed by, or sponsored by Meta.