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.