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BackRub was a search technology developed by Sergey Brin and Larry Page at Stanford University in 1996. It was the precursor to Google. Unlike other search engines of the time that ranked pages based on keyword frequency, BackRub's innovation was to leverage the "backing links" of websites. This meant that a page with many other pages linking to it was considered more valuable and thus ranked higher. This approach aimed to provide more relevant search results by using the collective ranking ability of website creators.12

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  1. Google
  2. search engine

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