http://www.marketplace.org/topics/tech/what-heck-bitcoinMarketplace (it's a radio show that plays commonly on NPR) is doing a weeklong segment on bitcoins.
Today, the first day of it, they answer what bitcoins actually are.
The explanations are so-so. And their response to the question "how do i make a million dollars on bitcoin" is answered poorly in my opinion. They say there are two ways to do it: Buy low and sell high, or sell high and buy low. (har har har).
Here's perhaps a fair quote: "Bitcoin is itself a collective hallucination -- as it turns out, most currencies are -- "
