06:06Newsday07/10/2020 05:06 GMT: US tech giants ‘must be reined in’BBC World Service Duration: 53 minutes Wed 7th Oct 2020, 06:06 on BBC World ServiceAvailable for over a yearListen nowLive news, business and sport from around the world. Show more GenresNewsFormatsMagazines & ReviewsBrandNewsday Source: BBC Online