（本报记者朱隽、王浩、常钦、郁静娴、李晓晴、邓剑洋）
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"When I chat to people now who are coming off social media they say it's because of screentime, or they're worried about addiction – privacy never comes up."
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A new California law says all operating systems need to have age verification
· 周杰 · 来源：tutorial导报