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A married couple demonstrate how the gaming industry has changed over the years with a new documentary called 'From Bedrooms to Billions' which premiers in London.

Anthony and Nicola Caulfield, describe how the video game industry was born from children in their bedrooms who: "made their cassettes available to other people simply because they wanted people to play their game".

The couple are pictured above with a Manic Miner and ZX Spectrum.

This clip is originally from 5 live Breakfast on 30th November 2014.