An Eigenpoll is a new type of poll design to extract knowledge from a community.
The problem with normal polls is that it find the most popular option. But if you are looking for a solution to a problem you don't want the most popular, what you want is the best solution to the problem.
The course is that when not everybody have a equal amount of knowledge about a problem, then the one man one vote principle don't work.
Eigenpolls try to solve this by letting the voters compare and rank the options, and then use a algorithm similar to Googles PageRank on the result.
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