What we know about this broker
Confirmed live 2026-06-16. Quadrant is a mobile location / MAID data broker; it collects device advertising IDs (MAIDs) only — never name, email, phone, or home address. The opt-out form at /opt-out accepts a single Device ID / MAID; requests with invalid inputs (e.g., email, name) are rejected. Users can also opt out by enabling 'Limit Ad Tracking' on iOS or 'Opt out of interest-based advertising' on Android. Do-not-sell page at /do-not-sell provides the same device-settings pathway. Quadrant acknowledges it cannot guarantee removal across all participant providers (best-effort). 2025 metrics showed very low fulfillment (1 of 140 deletion requests completed). No confirmation email described. Authorized agent policy not explicitly stated. Seed suggested tier 1 / public_rescan but location/MAID brokers cannot support public_rescan; tier set to 2 with broker_confirmed. required_fields mapped to 'phone' as the closest schema enum to 'device ID / MAID' — annotated in notes.
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