Google, Amazon, Facebook, and Apple are compared to oil barons by US lawmakers. But the firms insist they are not monopolies and they operate in a competitive market. Plus, Facebook takes further action to ban content relating to the QAnon conspiracy theory across its platforms. And the opportunities for women whose jobs have been hit by the pandemic to retrain as programmers. Presented by Rory Cellan-Jones, with BBC tech reporter Chris Fox. Produced by Jat Gill.

(Image: Congresswoman Val Demings, (D-FL), questions tech leaders during a hearing of the House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law on "Online Platforms and Market Power", Credit: Graeme Jennings/Pool via REUTERS).