DUBLIN : Ireland's data regulator on Friday said it had opened an investigation into social media platform X over the use of personal data collected from European Union users to train its AI system Grok. Ireland's Data Protection Commission (DPC) is the lead EU regulator for X due to the location of its EU operations in the country. It has the power to impose fines of up to 4 per cent of a company's global revenue under the EU's strict General Data Protection Regulation (GDPR). The inquiry will