This educational checklist does not replace a privacy audit or legal advice. 1. Identify the controller Provide the legal entity, business address and privacy email. 2. Map the data Include registration, sessions, IP logs, user uploads, analytics, advertising and social login. 3. Explain the purposes Describe each processing purpose in plain language. 4. Define lawful bases Match contract, legal duties, legitimate interests or consent to each purpose. 5. Review social sign-in Document the fields and permissions obtained from Google and Facebook. 6. List providers and transfers Identify processors, hosting locations and cross-border transfer safeguards. 7. Set retention criteria Specify how long each category of data is kept. 8. Explain individual rights Cover access, correction, deletion, objection, restriction and portability where applicable. 9. Create a deletion procedure Provide a verifiable channel for erasing user accounts and associated social sign-in data. 10. Audit cookies Block non-essential trackers until valid consent where legally required; permit rejection and later changes. 11. Check regional laws Consider GDPR, Spain's LOPDGDD and LSSI, and determine whether CCPA/CPRA applies to your business. 12. Verify and maintain Test the real data flows, complete the policy and arrange appropriate legal review before claiming compliance.