Meta CEO Mark Zuckerberg got some bad news from the EU on Monday.Matt McClain/Getty ImagesIt's not a good day for Meta in the EU.The European Commission says Meta's "pay or consent" advertising model is in breach of the EU's Digital Markets Act.The EU previously said Apple also violated the rule.Mark Zuckerberg's Meta just got some bad news in the European Union.The European Commission, the EU's executive arm, on Monday announced its preliminary findings that Meta's "pay or consent" advertising model is in breach of the bloc's Digital Markets Act.Meta introduced the model in the EU in 2023 after European regulators had ruled in 2022 that Meta must let users opt out of personalized ads based on their activity on its social platforms.