Case T-1078/23: Judgment of the General Court of 3 June 2026 – Meta Platforms v Commission (Digital services – Regulation EU 2022/1925 – Designation of gatekeepers – Concept of core platform service – Online social networking service – Number-independent interpersonal communications service – Online intermediation service – Equal treatment – Article 3(2) and (5) of Regulation 2022/1925 – Important gateway for business users to reach end users – Presumptions – Rebuttal of the presumptions – Article 17(1) and (3) of Regulation 2022/1925 – Conditions for opening a market investigation – Rights of the defence