An auction, due to take place early next year, will allocate newly-available spectrum space to other operators looking to offer 4G to their customers.

BBC: EE announces its 4G price plans

The pair, who work in advertising, had originally planned to spend time in a see-through box, but when the window space was made available they decided it was the "next best thing".

BBC: Harrogate week-long shop window stunt comes to an end

Add a few modern gizmos to the mix--one savvy shopper has even posted a list of Jetsons-friendly gadgets available through Amazon.com--and you're practically ready for the next space age.

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