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Barclays bank now allows its customers to use their voice to clear security checks rather than needing to remember passwords. When you call up the bank, the system can identify you simply from the first few words that you say. So does the voice recognition system work like a finger print, and what if we all sound the same? We went around the newsroom and got our colleagues to tell us what they’ve had for breakfast. We then got Professor Peter French from York University to tell us the difference in their voices. (Photo credit: Getty Images)