David Grossman looks at a new trend - digital detox

Do you check your work emails while you are on holiday? Or can you leave your job behind when you leave the office?

The German vehicle-maker Daimler is offering staff an 'email holiday', deleting work emails which arrive while people are on leave.

BBC Newsnight's Technology editor David Grossman asks whether we are too wired in to work and looks at the latest trend - the digital detox.