Another idea for a web-app. A site that allows submitting of questions, voting on questions that one would be most interested in having answered, and then paying for adequate answers to those questions. Payment funds can be aqcuired via advertisement, or people can contribute miniscule amounts that would add up.
For instance, I want to know what, if any, correlations are there between sleep and body temperature, and the web is being very difficult – finding answers there is like looking for a needle in a haystack.