How machine learning is allowing thousands of students to sit exams at home

“In just over two months, Arti had responded to more than 10,000 queries, and a further 350 per day since, freeing up hundreds of hours for frontline teams to focus their time handling more complex requests from members,” says Michael Conway, UK lead for artificial intelligence at IBM Services.

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Can supermarket security guards help with mask rules?

Supermarkets around the UK are stepping up enforcement of mask-wearing rules. After a successful trial, Sainsbury's is placing security guards at store entrances, ready to turn people away. BBC business correspondent Emma Simpson reports. Filmed by Neil Drake, edited...

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