Boolean Operators
AND vs. OR:
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Copyright Law
AND:
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3,450,000 hits on AltaVista
AND: 6,360,000 hits on Google
AND:
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3,450,000 on Yahoo
OR:
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266,000,000 hits on AltaVista
OR:
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269,000,000 on Google
OR:
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267,000,000 on Yahoo