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https://www.wsj.com/tech/personal-tech/do-we-need-to-wear-noise-canceling-headphones-and-earbuds-this-much-cae9e307Some people are rethinking their relationships with their sound-blocking headphonesDoes the noise-canceling technology in millions of headphones and earbuds save us from annoying distractions, or does it close us off from the world?This copy is for your personal, non-commercial use only.