The EU’s rulebook, known as the Digital Markets Act, aims to promote fair competition in digital markets and prevent Big Tech “gatekeeper” companies from cornering markets. The commission posted proposed measures late Wednesday on how Apple should make its iOS operating system work with other technology.Apple complained that requests from Meta Platforms for access to its operating software threaten user privacy, in a spat fueled by the European Union’s intensifying efforts to get the iPhone maker to open up to products from tech rivals. Could this risk privacy ?