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Sharing economy sparked by internet technology

29 November 2011 Last updated at 02:52 GMT

Each day, billions of pictures and videos are shared between strangers on websites like Facebook, Google+ and YouTube.

But individuals are now also sharing physical possessions through the web, as part of a movement called collaborative consumption.

"It's all driven by this desire to get more use out of the assets that we already have - to live more efficiently and more connected," says Micki Krimmel, founder of goods sharing website NeighborGoods..

Produced by the BBC's Matt Danzico