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Hummer Hummer
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6 years ago
When a Web page changes, _____ update their indexes and databases automatically to reflect the change.
 A) picture-frame directories
  B) open-ended directories
  C) human-powered directories
  D) crawler-based directories
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Beka128Beka128
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6 years ago
Just got PERFECT on my quiz
elizabetheldrid
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Helped a lot
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This site is awesome
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