We hear from a former moderator in Kenya who was left traumatised by his previous job. And we ask what video games could do to be more accessible to blind people. Plus – the radar tech used to help with online mapping.

Warning: This episode includes a description of child sexual abuse.

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Presenter: Graham Fraser

Producer: Imran Rahman-Jones

Editor: Monica Soriano

(Image: A man in glasses looking at a screen, with writing digitally imposed in front of his face. Credit: Getty Images.)

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