Meta plans to train AI on EU user data from May 27 without explicit consent, facing threats of a lawsuit from privacy group noyb.Meta intends to use public data from EU adults for AI training, emphasizing the need to reflect European diversity.The company postponed AI model training last year due to data protection concerns raised by Irish regulators.Noyb issued a cease-and-desist letter to Meta regarding the use of EU personal data for AI systems without opt-in consent.Meta states it does not use private messages and excludes data from EU users under 18 for AI training.The Austrian privacy group argues that Meta's AI training practices may violate GDPR by not requiring opt-in consent.Meta defends its AI data practices, claiming compliance with European Data Protection Board guidance and Irish privacy regulations.Noyb insists on the necessity of opt-in consent for AI training, challenging Meta's reliance on 'legitimate interest' as inadequate.Meta faces potential legal risks due to its opt-out approach for AI training, risking injunctions and class action lawsuits.Concerns raised include Meta's decision to gather user data for AI without explicit consent and its impact on GDPR compliance.