WhatsApp sends your personal data — including your phone number, usage patterns, and device information — to Facebook, Instagram, and other companies owned by Meta.
Your WhatsApp account information, usage data, device identifiers, and interaction patterns are shared with Meta Companies including Facebook and Instagram, which use this data for advertising and product development purposes even though WhatsApp itself does not display ads.
Cross-platform context
See how other platforms handle Cross-Company Data Sharing with Meta Family and similar clauses.
Compare across platforms →Despite WhatsApp's reputation as a private messaging app, your behavioral and identity data flows to Meta's advertising ecosystem, influencing what ads you see on Facebook and Instagram.
1. REGULATORY FRAMEWORK: This provision implicates GDPR Art. 6(1) (lawfulness of processing), Art. 13/14 (transparency), Art. 26 (joint controllers), and Art. 5(1)(b) (purpose limitation), enforced by the Irish Data Protection Commission as lead supervisory authority for WhatsApp Ireland Limited. It also engages CCPA/CPRA Cal. Civ. Code §1798.120 (right to opt out of sharing for cross-context behavioral advertising) enforced by the CPPA, and FTC Act Section 5 for deceptive practices in the US. 2.
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Regulatory citations, enforcement risk, and due diligence action items.
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