In the BBC Radio Series "The Hitchhiker's Guide to the Galaxy" a civilization created a tremendous supercomputer named "Deep Thought" to answer the ultimate question of life, the universe, and everything. After thinking about the question for several million years, the computer provided the rather unsatisfying answer of "42." This would not have surprised any specifying engineer. They know that if you ask for the world but issue a vague spec, you're bound to be disappointed in the results.
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