Voice of the checkout 'helps Brits queue'

There is a new app called Waitbot being launched in Chicago this month which aims to warn people where they will have to queue in line.

And users will be able avoid the queues.

Terry Green, who co-founded Q-matic which tries to solve company's queuing problems told the Today programme's Sarah Montague that he is the voice that beckons people to the service desks in over 8,000 locations across the UK.

He said that queuing "makes people more comfortable and less stressed about the service" and explained that well managed queuing was important because "fairness is the thing that comes out top" in customer surveys.

First broadcast on BBC Radio 4's Today programme on Tuesday 9 July 2013.