It's a dilemma facing office workers around the world: what's the etiquette for using headphones at your desk? Immersing yourself in music and cutting yourself off from the sounds of photocopiers and banter will help you focus and get work done – but won't you look a little rude if you can't hear when someone's talking to you?
Now the starched collars at Debrett’s, the 250-year-old etiquette guide, have waded in with their tuppence. Its advice? Don't use them. Ever. On pain of death.
