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.We love hearing from you on Tech Life. You can email us at techlife@bbc.co.uk or Whatsapp us on +44330 1230 320.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.)