By Harriet Arkell PUBLISHED: 08:32 EST, 15 July 2013 | UPDATED: 12:59 EST, 15 July 2013 If you've ever queued in a shop in the UK, waiting to be guided to an available cashier, chances are you've heard his measured tones. In a long and slow-moving queue, you may even have wondered about the person behind the voice directing the people in front of you to 'cashier number three, please' - was he real, or perhaps computer-generated? Today, the man behind the voice is revealed as Terry Green, 53, a father-of-one businessman from Stratford-upon-Avon. Scroll down for video
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Terry Green's voice directs 30m UK shoppers to available tills each month
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You hear his voice at Marks &Spencer, Sainsbury's, Post Office and Boots
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The 53-year-old from Stratford-upon-Avon is often recognised by his voice
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He co-founded Qmatic which invented 'customer flow management' system
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The queuing system now governs a quarter of the world's people
@placeholder's is not the only voice we know even if we don't realise it.