Bing vs. Google: the new AI-driven search wars are on

Not so long ago, in the 1990s, online users had their choice of a variety of search engines. They included Excite, WebCrawler, Lycos, and my favorite at the time, AltaVista.

Then, along came Google and PageRank. With PageRank, Google rates the relevancy of web pages to queries based not only on whether the pages contain the search terms (the technique used by all search engines) but by how many relevant pages link to it. It made Google’s results much better than its rivals.

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