Tech Tent

We look at an issue known as shadow banning. What is it? How does it work? And could it be affecting health education messages for women and young girls?Also this week: we're feeling nostalgic about the discs that hold our favourite video games. And Shiona McCallum speaks to the founder of the Global Gaming League.Presenter: Shiona McCallum Producer: Tom Quinn(Photo: A young sports woman relaxes after a workout. She is lying on a yoga mat, looking at her smartphone. Credit: Getty Images)