From Brussels, the message is clear: digital giants will have to account for their actions. The platform X, formerly known as Twitter, is under investigation by the European Union for potential major violations of the Digital Services Act. The focus is on the dissemination of illicit content and the lack of cooperation with authorities. The proposed fine could exceed one billion dollars, a record that could mark a turning point in the enforcement of the new European regulation. Elon Musk, its owner, finds himself at the center of an unprecedented regulatory confrontation.