The Data Protection Commission (DPC) has today announced the commencement of an inquiry into the processing of personal data comprised in publicly-accessible posts posted on the ‘X’ social media platform by EU/EEA users, for the purposes of training generative artificial intelligence models, in particular the Grok Large Language Models (LLMs). The Inquiry will examine compliance with a range of key provisions of the GDPR, including with regard to the lawfulness and transparency of the processing.