(1) Open business models exist for open source software, open hardware, DIY crafts, and fab labs, but being open is not enough - the market must also be considered.
(2) Current open business models include services, custom manufacturing, dual-licensing, and crowdfunding. The long-tail approach seems most sustainable.
(3) As design, manufacturing, hardware, and software become commodities, future value may lie in creativity, attention, and collaboration from users. Open money and processes could support a more sustainable open, DIY, and peer-to-peer economy.