An opt‑in policy requires explicit, informed user consent before collecting, processing, or sharing personal data. Users are not enrolled by default; they must take affirmative action (e.g., check a box, click “agree”).
Key Principles
- Freely given: No coercion or dark patterns.
- Specific: Separate consent for distinct purposes (marketing, analytics, third‑party sharing).
- Informed: Clear language about what data, why, how long, who accesses.
- Revocable: Easy withdrawal (opt‑out) at any time.
- Granular: Not bundled with terms of service.
Regulatory Alignment
- GDPR (EU): Consent is one lawful basis; must meet above standards.
- CCPA/CPRA (California): Opt‑out for sale/share; opt‑in for minors’ data.
- LGPD (Brazil), PIPL (China), etc.: Similar consent requirements.
Benefits
- Builds user trust and transparency.
- Reduces legal/regulatory risk.
- Improves data quality (users who opt in are more engaged).
Opt‑in is the gold standard for ethical data practices.