If you’re anything like me, you tend to enjoy things that may be a little beyond your budget. And if you’re really like me, you tend to enjoy them far more often than you should. But I’m going to avoid any discussions of my own indulgence, but use them as a segue to mention Wesabe. It’s an open source community that tracks your spending habits and shares them with the group. If prediction markets are for harnessing the “Wisdom of Crowds”, this truly does try to capture the “Frugality of Crowds”.

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