stories for you at the top of the hour straight after this programme. —— main news stories. one in three internet users is a child. pizza, who wants some yummy pizza? children's attention is worth billions. it's an industry fuelled by personal data... ad tech and big tech sometimes know more about a young person than their parents do. ..where young users don't always understand what they're sharing. they've got messages stored here from when i was... - i must have been 13, 14. should more be done to control this massive market? are they kind of influencing children's life's choices? absolutely. tonight... who's watching the kids? i love social media. i've had a digital life since i was about 13. facebook, instagram, youtube, tiktok.