The Children's Commissioner for Wales has been speaking to pupils in Barry, to find out how they use the internet, and how they stay safe online.
He's launched his research project on Safer Internet Day, which aims to promote safe use of online technology and mobile phones around the world.
More top news
Network Rail and Rhondda Cynon Taf Council say it's dangerous and would cost too much to repair.
Plans to half food waste in Wales have been announced by the Welsh Environment Secretary, in a move to become a zero waste nation by 2050.
As thousands of students receive their A level results, there will be a focus on the numbers getting the top grades after last year's dip.