Coffee shop sign
Media playback is unsupported on your device

Norwich coffee shop refuses service for mobile phone users

12 April 2012 Last updated at 08:04 BST

A coffee shop in Norwich is refusing to serve any customer who places an order while talking on a mobile phone.

Darren Groom, the owner of Little Red Roaster, created the ban after becoming fed up with having to compete for the attention of customers.

John Cranston reports.