UK launches regulator targeting tech giants - Mobile World Live 07 APR 2021 A watchdog designed to prevent tech giants including Facebook and Google from exploiting their market dominance was introduced in the UK, a move positioned as a major milestone for online market reform. The Digital Markets Unit (DMU) is based within the Competition and Markets Authority (CMA), tasked with developing plans to give consumers more choice and control over their data, promote online competition and crackdown on unfair practices. Plans for the unit were unveiled in November 2020 as part of a wider UK government aim to enforce a new pro-competition regime covering platforms deemed to hold considerable market power.