CouchSurfing connects people who have a spare sofa with travellers who wish to sleep on it, on the tacit understanding that the travellers will do the same for someone else in the network some day.

ECONOMIST: Schumpeter

Mr Pearson, the South of Scotland MSP, had suggested that, having visited the Bishopbriggs facility, the curfew appeared to have a "very positive effect on the prison" because it encourages prisoners to go to sleep, "which means, in the morning, they are more engaged and ready to go out and do something".

BBC: A television in a cell at Barlinnie Prison, Glasgow