Judgment of the General Court (Eighth Chamber, Extended Composition) of 3 June 2026.#Meta Platforms, Inc. v European 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 – Obligation to state reasons.#Case T-1078/23.