Jeff made a fun Flash app that lets you listen to the price of a stock, he writes…

So, my boy Mike Nathanson and I wore our brains on our sleeves at Flashcamp this weekend. We dreamed up a sweet idea of listening to stock prices, which we dubbed MoneyTalks. It uses the new SampleDataEvent in Flash Player 10 to create sounds dynamically, which we map onto the value of a stock.

Source included, via Waxy.