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Millionaire hides free cash across US

29 May 2014 Last updated at 16:11 BST

A mystery benefactor has been leading social media users on a treasure hunt for hidden money in the US cities of San Francisco and San Jose.

The man, who uses the Twitter handle @HiddenCash has already given away thousands of dollars and promised there will be further giveaways in New York and Los Angeles.

Ben Geoghegan reports.

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