Search Engines
Search engines are powerful tools that help you find words, phrases or concepts on the internet.
Examples:
Why Are They Good?
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They can work extremely fast, depending on your connection
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They cast a wide net over the Web
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Some are forgiving about spelling errors
Why Are They Not So Good?
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The number of hits produced can be overwhelming and there's very little quality control
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They may not be clear about the order in which results are displayed or what they are searching
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Some web site authors pay the search engine companies to display their pages at the top of lists