Landmark EU rules targeting Alphabet unit Google, Amazon, Apple, Meta and Microsoft are likely to set a global benchmark and may even force the tech giants to be more innovative, lawyers and experts have said.

Europe's antitrust chief Margrethe Vestager on Thursday won backing from European Union members and EU lawmakers for her proposal, the Digital Markets Act (DMA), to rein in the powers of the tech giants via legislation for the first time, rather than lengthy antitrust investigations.

The DMA sets out a list of dos and don'ts targeting each tech giant's core business practices.