 It was an early adopter of desktop digital production techniques to deliver content across multiple platforms.During the dot-com bubble Bell focused entirely on new media, working for clients such as Granada Television, Goldman Sachs, JP Morgan and UBS Warburg from offices in Carnaby Street, London and New York.In 2002 Campbell re-located to north-east England and co-founded Liberty Bell Productions (the TV company which produces Grumpy Old Men for the BBC) with former ITV CEO Stuart Prebble and The Tube creator Andrea Wonfor.