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
It will be a dry night with clear spells for all of us, but the south-easterly wind will increase, becoming rather windy by morning.
Hundreds of campaigners are marching through the streets of Cardiff calling for the city's grassroots music venues to be protected.
People in Wales living with cancer face losing over £500 a month in income after diagnosis, according to Macmillan Wales.