Segment · Segment Privacy Policy · View original document ↗

Identity resolution for unified cross-device profiles

High severity High confidence Explicitdocumentlanguage Common · 280 of 352 platforms
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Recent governance activity Segment recorded 2 documented changes in the last 30 days.
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This analysis describes what Segment's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology

ConductAtlas Analysis

Why it matters (compliance & governance perspective)

Identity resolution links data across devices and touchpoints into a unified profile, meaning Segment can track and associate a reader's activity across contexts.

Interpretive note: The excerpt also references measuring and optimizing advertising performance, which is a separate proposition recorded in omitted_material.

Recent Activity

This document changed recently

Medium May 22, 2026

The updated policy establishes a new opt-out mechanism allowing users to decline having their data disclosed to third parties (other than service providers) or used for purposes materially different from the original collection purpose. The policy also explicitly discloses that Twilio Inc. is subject to FTC investigatory and enforcement powers, providing users with notice of the regulatory authority overseeing the company's privacy practices. You can exercise this opt-out right by contacting Segment through the mechanism specified in their privacy policy.

View change record →
Medium May 19, 2026

The updated terms establish clearer disclosure of how Segment transfers personal data internationally. Segment now explicitly certifies its compliance with the EU-U.S. Data Privacy Framework, UK Extension, and Swiss-U.S. Data Privacy Framework, and states that these DPF Principles take precedence if they conflict with other policy terms. The updated policy also adds specific rights allowing you to opt out of: (i) disclosure of your personal data to third parties other than service providers acting under Segment's instructions, or (ii) use of your personal data for purposes materially different from the original purpose or your subsequent authorization. You can exercise these rights by contacting privacy@twilio.com.

View change record →

Consumer impact (what this means for users)

The reader's data from different devices and touchpoints may be linked by Segment into a single unified profile.

How other platforms handle this

Notion Medium

Authenticating and verifying individual identities

MyFitnessPal Medium

We use your personal information to send you newsletters and other promotional communications, including information about MyFitnessPal's new offerings, features, offers, events, webinars, and other information.

Lyft Medium

We may infer certain information from your interactions with the Lyft Platform and other personal information available to us. For example, if you frequently ride to or from airports, we may infer you are a frequent traveler.

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▸ View Original Clause Language DOCUMENT RECORD
"
utilizing identity resolution to create unified profiles that ensure a consistent experience across different devices and touchpoints; measuring and optimizing the performance of our advertising activities...

— Excerpt from Segment's Segment Privacy Policy

Applicable regulations

CCPA/CPRA
California, USA
Colorado AI Act
US-CO
CAN-SPAM
United States Federal
ePrivacy Directive
European Union
FTC Act Section 5
United States Federal
GDPR
European Union

Provision details

Document information
Document
Segment Privacy Policy
Entity
Segment
Document last updated
May 5, 2026
Tracking information
First tracked
July 9, 2026
Last verified
July 9, 2026
Record ID
CA-P-055069
Document ID
CA-D-00700
Evidence Provenance
Source URL
Wayback Machine
Content hash (SHA-256)
e37e6bb1abdf882cdf3d4b9a7ddcbcb1b521744fd46b9d3d4d5f19d611714b48
Analysis generated
July 9, 2026 09:48 UTC
Methodology
Evidence
✓ Snapshot stored   ✓ Hash verified
Citation Record
Entity: Segment
Document: Segment Privacy Policy
Record ID: CA-P-055069
Captured: 2026-07-09 09:48:26 UTC
SHA-256: e37e6bb1abdf882c…
URL: https://conductatlas.com/platform/segment/segment-privacy-policy/provision/CA-P-055069/identity-resolution-for-unified-cross-device-profiles/
Accessed: July 13, 2026
Permanent archival reference. Stable identifier suitable for legal filings, compliance documentation, and research citation.
Classification
Severity
High
Categories

Other risks in this policy

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Frequently Asked Questions

What does Segment's Identity resolution for unified cross-device profiles clause do?

Identity resolution links data across devices and touchpoints into a unified profile, meaning Segment can track and associate a reader's activity across contexts.

How does this clause affect you?

The reader's data from different devices and touchpoints may be linked by Segment into a single unified profile.

How many platforms have this type of clause?

ConductAtlas has identified this type of provision across 280 platforms. See the full comparison.

Is ConductAtlas affiliated with Segment?

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