Mark Zuckerberg

  1. Video content

    Video caption: Facebook's Zuckerberg and Twitter's Dorsey answer addiction question

    A US senator asks Facebook and Twitter's chief executives under oath if their platforms are addictive.

  2. Should US tech giants be reined in and broken up?

    Video content

    Video caption: Facebook, Amazon, Google and Apple accused of 'monopoly power'

    Facebook, Amazon, Google and Apple accused of 'monopoly power'