On 18 December 2024, the European Data Protection Board ("EDPB") adopted its new opinion on the use of personal data for the development and deployment of AI models: EDPB, Opinion 28/2024 on certain data protection aspects related to the processing of personal data in the context of AI models ("Opinion on AI Models"). In its Opinion on AI Models the EDPB addressed the following topics: (i) when and how AI models can be considered anonymous; (ii) whether and how legitimate interest can be used as a legal basis for developing or using AI models; and (iii) what happens if an AI model is developed using personal data that was processed unlawfully.