The Semantic Web will never work because it depends on businesses working together, on them cooperating.
We are talking about the most conservative bunch of people in the world, people who believe in greed and cut-throat business ethics. People who would steal one another’s property if it weren’t nailed down. People like, well, Conrad Black and Rupert Murdoch.
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| — | Stephen Downes, Why the Semantic Web Will Fail. |