> They're also a sign that you are trying to concentrate to discourage those "just a quick word" moments which could easily be covered by an instant message. T

> They're also a sign that you are trying to concentrate to discourage those "just a quick word" moments which could easily be covered by an instant message. This is the reason I wear headphones, I don't even switch them on. It seems to be less broadly understood than before and my work is often disrupted.