The Internet may soon change how the cognitive and social sciences are conducted, much in the way the open source movement has changed software, wikipedia has changed information gathering, etc. In the traditional lab-based model, scientists pay a small number of people to be subjects, subjecting them to a lot of testing. (By "a lot", I mean typically 1 hour, but it can last much longer.) The experiments are very carefully controlled in the lab.
Now, as bandwidth has increased dramatically, it i