The European Union has confirmed the first six tech gatekeepers that must follow the rules of its Digital Markets Act (DMA). The names of these companies should be pretty familiar: Alphabet, Amazon, Apple, ByteDance, Meta and Microsoft.
The DMA stipulates that gatekeepers can't favor their own services over rivals' offerings and can't keep users locked into their own ecosystems. They have to let third-party entities interoperate with their services in
