The market grinned big time on Friday, but can it bear it?
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Rejecting both the euro and the drachma, some Greeks are turning to a 21st Century barter system.
Controversial spending takes on a whole new meaning with Canada's new $20 bill, deemed by some as "too pornographic."
In other news, Azerbaijan's currency is the manat.
Inmates use the pastries as a medium of exchange inside the Big House.
The dirty, dirty truth behind cash machines.
The question, What is money?, is going increasingly mainstream.
How do you tame a rowdy crowd? Wait for their currency to get depressed.