I don’t know what that article means in practical terms and how it is relevant for consumers.
So there is now a Digital Markets Act, and Alphabet (Google), Amazon, Apple, ByteDance (TikTok), Meta (Facebook), Microsoft, and Booking.com have been designated as gatekeepers under this EU law. It is about competition law. It became applicable on 2 May 2023. It
aims at ensuring a higher degree of competition in European digital markets by preventing large companies from abusing their market power and by allowing new players to enter the market.
I get the impression that it does not change much if anything for people who use Booking.com during the next six months and little if anything afterwards.
If anyone wants to dive into this:
Not prime Camino Forum discussion material, imho.