You may hate me for this and think I am not progressive enough, but what I see is that although the altruistic notion of trading our craft for another's brilliant craft seems euphorically utopian, we are not ready for this.
They proudly announce on their sign that "U.S. dollars are not accepted." Instead, all the items are free, and they accept donations of produce, compost, or even some seeds -- whatever folks might have in abundance that day.
If you live in Greece or Spain or even in parts of the United States, that nasty gurgling sound is the economy going down the drain. The official economy, that is -- the one that gets tracked by the accountants and tax officials and economists who feature in the media every day.