Case C-252/21, Meta Platforms and Others (General terms of use of a social network): Judgment of the Court (Grand Chamber) of 4 July 2023 (request for a preliminary ruling from the Oberlandesgericht Düsseldorf — Germany) — Meta Platforms Inc., formerly Facebook Inc., Meta Platforms Ireland Limited, formerly Facebook Ireland Ltd, Facebook Deutschland GmbH v Bundeskartellamt (Reference for a preliminary ruling — Protection of natural persons with regard to the processing of personal data — Regulation (EU) 2016/679 — Online social networks — Abuse of a dominant position by the operator of such a network — Abuse which entails the processing of the personal data of the users of that network as provided for in its general terms of use — Powers of a competition authority of a Member State to find that processing is not consistent with that regulation — Reconciliation with the powers of the national data protection supervisory authorities — Article 4(3) TEU — Principle of sincere cooperation — Points (a) to (f) of the first subparagraph of Article 6(1) of Regulation 2016/679 — Whether the processing is lawful — Article 9(1) and (2) — Processing of special categories of personal data — Article 4(11) — Concept of ‘consent’)