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‘It went nuts’: Thousands join UK parents calling for smartphone-free childhood
(www.theguardian.com)
This is a most excellent place for technology news and articles.
We used to use the "no ball games" sign as a target. Eventually it fell off the wall.
Usually some busy body police support community officer person, or some other individual in a yellow fluorescent jacket and no actual authority would turn up and yell at us, but we just wait until they went away.