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Why did YouTube take down video testimonies from family members of people imprisoned in China’s internment camps? To ensure the credibility of these videos, people show proof of identity. Now, YouTube says it has concerns that these people may be harassed. Eileen Guo, who reported the story for MIT Tech Review is on the show.

Matter connecting our devices
With so many smart devices in the home its incredibly frustrating that setting them up and connecting them to your house is so complicated. Now a new standard has been agreed. It’s called ‘Matter’ and the first Matter certified products are to be released at the end of this year. Tech journalist and IoT expert Stacey Higginbotham explains why this new standard will make smart devices much easier to use and much more secure.

Sonic the Hedgehog is 30!
The cute blue spikey hedgehog Sonic has been on our screens for 30 years. Digital Planet’s gaming reporter Chris Berrow has been finding out about the tech that made his design possible.

The programme is presented by Gareth Mitchell with expert commentary from Bill Thompson

Studio Manager: Giles Aspen
Producer: Ania Lichtarowicz

(Image: Getty Images)