The right under US state privacy laws to stop a business from selling personal data or using it for targeted advertising, exercised through a site link or a browser signal. The opt-out model contrasts with Europe's opt-in consent model and is the reason US sites show a footer link rather than a consent banner.
Used in The Signal
Cite this entry:
Agency Echelon. "Opt-Out." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/opt-out/