Build It. Share It. Profit. Can Open Source Hardware Work? (Wired)
Wired has a
lengthy look at open-source hardware, and Arduino in particular.
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Right now, open design pioneers tend to follow one of two economic models. The first is not to worry about selling much hardware but instead to sell your expertise as the inventor. If anyone can manufacture a device, then the most efficient manufacturer will do so at the best price. Fine, let them. It'll ensure your contraption is widely distributed. Because you're the inventor, though, the community of users will inevitably congregate around you, much as Torvalds was the hub for Linux. You will always be the first to hear about cool improvements or innovative uses for your device. That knowledge becomes your most valuable asset, which you can sell to anyone."