I love noise cancelling headphones in public. Many shops, cafes and restaurants insist on playing music I really hate. Certain types of popular music make my s

I love noise cancelling headphones in public. Many shops, cafes and restaurants insist on playing music I really hate. Certain types of popular music make my skin crawl. My favourite tech product of recent years has been effective noise cancelling headphones I can keep in my pocket to block that out.