On 15 December 2020, the European Commission presented proposals for two regulations to modernise the legal framework for digital services: the Digital Services Act (DSA) and the Digital Markets Act (DMA). While the DSA focuses on regulating different types of online intermediaries, ranging from basic hosting services to very large online platforms (VLOPs) and very large online search engines (VLOSEs), the DMA targets only those online platforms that provide ‘core platform services’ (CPS) in a gatekeeper position. These companies have a bottleneck function between businesses and consumers, enabling them to act as private rule-makers and to entrench their market power. The DMA introduces ex ante obligations for so-called gatekeepers designed to ensure fair and contestable digital markets. The DMA entered into force on 1 November 2022 and has applied since 2 May 2023. In September 2023, the Commission designated the first six gatekeepers: Alphabet, Amazon, Apple, ByteDance, Meta, and Microsoft. Since then, the designation landscape has evolved. Apple was additionally designated in respect of iPadOS in April 2024, and Booking.com