Episode 15: Delicious Cake Futures

Matthew Mead/AP

Note: Today's show originally ran in March 2009.

When Joshuah Bearman was a third grader, he got locked out of the lunchroom economy. His classmates piled their sugary snacks on the table and traded, while Joshuah sat on the sidelines with the sardines and raisins his family sent. On today's show: how everything changed the day he dreamed up cake futures.

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