The European Commission has announced a plan to ban social media access for children under the age of 13 as part of the proposed Kids Act.
Children between 13 and 15 would only be allowed to access 'mini' social media accounts with extra protections and controls.
RTÉ's Work and Technology Correspondent Brian O'Donovan joined Cara in the news2day studio to tell us all about it.
Click on the image up top to watch the news2day Explainer, and keep reading for more.
Brian says: "The big message here, and I suppose the headline, is that under 13s will not be allowed to have a social media account. If you're aged between 13 and 15, you'll be put into these mini accounts."
He tells news2day these accounts have to be set up by parents who will monitor and control them. They cannot be set up by young people and there will be various limitations and restrictions.
"For children aged between 15 and 18, you will be allowed a social media account, but the platforms, the social media companies, will have to make them safer. So, these are the new rules, the new proposals that were announced today by the European Commission."
Reaction
Our expert guest told us about the the initial reaction: "Well, because it's European Commission rules, it's up to the member states, the countries like Ireland, to adopt them or to change these or to bring in their own methods - maybe even stronger restrictions if they wish.
"What the Irish government has said so far is that they are happy with these [proposals]. They're going to have meetings over the coming days and weeks and they'll decide exactly how and when these will be implemented in Ireland."
Brian also says that some of the child safety campaign groups have welcomed the plans, others have questions on how it will all be policed and some are disappointed, saying Europe hasn't gone far enough.
They feel that instead of banning children from social media, they should have banned the harmful features on the social media platforms.
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Click on the interactive image above to see what is happening in different countries.
A growing number of countries look to restrict children's access to the platforms following a global backlash.
More than 20 countries around the world have now taken steps to block or restrict children going online on social media, according to an AFP tally.
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