Designing online systems so that groups of people are smarter than individuals is not easy. The first collaborative chess games weren't very strong. In Kasparov vs The World, organisers ensured there were several strong players and online discussions.
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Individuals and interactions over processes and tools => Competence trumps process
Working software over comprehensive documentation => Minimize time from program launch to deployment of simplest useful functionality
I really like the DoD's phrasings of classic agile maxims: