World-wide collaborative effort to develop smart software. Collects information from non-expert Internet users, to teach computers the myriad things we all know and which underlie general intelligence but which we usually take for granted. Several subproj http://www.openmind.org/
An artificial Intelligence System to be taught by you about everything. User can teach Learner as a kid to explore this world. Learner will formulate what is taught and ask questions in plain English. http://teach-computers.org/learner.html
Brief article describing large volunteer web collaborations: Mindpixel, Open Mind; Open Directory, NASA Clickworkers study (crater identification). Free registration required. http://www.nytimes.com/2001/03/08/technology/08CRAT.html
The Mindpixel Corpus will soon be the world's largest database of consensus human knowledge, built by tens of thousands of people just like you from all over Earth, speaking many languages. http://www.mindpixel.com/