Top tips for avoiding scams on Black Friday. Met police use malware to take down scammers. Could we see flying cars by 2050? Elon to reinstate suspended Twitter accounts. In this episode:

• Sadiq Khan on London’s ULEZ scheme expansion
• Online Safety Bill to tackle deep fakes and ‘downblouse’ images
• Charles Darwin document on auction could fetch £1million+
• Mercedes $1,200 subscription for ‘acceleration increase’ add-on

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