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France to ban students from keeping smartphones in schools
(www.engadget.com)
This is a most excellent place for technology news and articles.
I mean, you can believe whatever you want, but the answer is yes there is.
You should watch the series Adolescence, btw. It deals with this exact topic. Its 4 episodes long and it shows how social media and constant connection and more importantly INTERACTION with everyone, has an effect that is fundamentally different from passively listening to AM radio.
Sorry, didn't pay my Netflix cultural tax this year. Maybe I'll sail the sees for it.