Exchanges/Market-s which try to provide liquidity value for information and ideas.
AMIX was an early market.
Idea Futures is a similar idea, but is more about predictions and uncertainty.
Reputation Management is central to an information market, to reduce the risk in relationships.
Our laboratory Minciu Sodas http://www.ms.lt has a working group http://groups.yahoo.com/group/thinkingrelevantly/ for engaging group minds, we're creating an economy for working publicly. But it's based on relationships, "wealth is relationships", as knowledge is worthless out of context. Andrius Kulikauskas, email@example.com
I've put together short histories of six marketplaces for open source software at http://www.ms.lt/en/archive/thinkingrelevantly/577
Free Software Bazaar: bounty system for $50 - $100 projects Co Source: pooling $500 - $1,000 per project Open Avenue: small and medium sized projects for VB/Delphi developers Source Xchange: corporate OutSourcing $5,000 to $50,000 Asynchrony: shareware, mostly proprietary Software Carpentry: grants of $200,000 per application