The graphic content missed by Meta's moderators

On Tech Tent this week, a BBC investigation into so-called "up-skirting" on Facebook - and Thomas Hughes from Meta's Oversight Board on its first year as an arbiter on disputes on Facebook and Meta.  Dr Andrew Hundt on why AI mimicks the prejudice of human beings. Shiona McCallum has been to the Teen Tech awards. And Glastonbury Festival is back - with festival goers set to gobble up more mobile data than ever before. Analyst Ben Wood is there.