Teenagers are calling time on the handshake. I salute them, from a safe distance | Polly Hudson

Of all the traditions humans thoughtlessly adopt, being socially obliged to touch someone when introduced to them is one of the worst. Good on young people for refusingSometimes you dont know what youve got till its gone. A person, place or thing you perhaps took for granted exits your existence, and only then do you appreciate what they meant to you, how important they were. This is not one of those times. New research has revealed that the handshake is in danger of becoming extinct, and surely...