STOCKHOLM, Sept 6 (Reuters) - The EU Commission on Wednesday designated 22 services of six major tech companies as "gatekeepers" of online services providing messaging to video sharing in its latest crackdown on Big Tech. Alphabet's Google had the highest number of services, including Android operating system, Maps and Search, which would face tougher rules. "It's D-Day for #DMA!," EU industry chief Thierry Breton said on X, formerly known as Twitter. "The most impactful online companies will now have to play by our EU rules." A Microsoft spokesperson said it accepts its gatekeeper designation, while Meta, Google and Amazon spokespersons said they were reviewing the designations.

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Persons: WhatsApp, Thierry Breton, TikTok, Stavroula Vryna, Clifford Chance, Supantha Mukherjee, Foo Yun Chee, Martin Coulter, Jason Neely, David Evans Organizations: EU, Big Tech, Apple, Microsoft, ByteDance, Google, Android, Facebook, Justice, Digital Services, Meta, Gmail, Edge, Thomson Locations: STOCKHOLM, Luxembourg, iMessage, Stockholm, Brussels, London