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Page last updated at 09:56 GMT, Friday, 16 September 2011 10:56 UK

The small tech companies trying to make a big impact

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What is the business model behind the weirder ideas at tech shows? How can they be made into a profitable business?

LJ Rich looks at the business behind the slightly stranger ideas and tries to find out if any of them will become the next big thing.

READ MORE: And they said it would never work ... What did Tom Selleck know about the future that the experts didn't?

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