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Sharing economy: New app to share your food leftovers

28 August 2013 Last updated at 11:02 BST

A new app is aiming to help you make better use of the world's resources by letting you pass on your restaurant "doggy bag" - or uneaten food.

But will anyone want to eat leftovers, or are there limits to the "sharing economy"?

Mariko Oi reports from New York.

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