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How Do Different Search Engines Work?
The Internet is big. To give an example, 3 exabytes (one exabyte is 1,073,741,824 gigabytes) of data are generated every day.Recent estimates of the total amount of data in the world put it at 300 or so exabytes in 2007. From this we can conclude that every year the world generates more information than had existed in the entirety of history up to 2007. That’s quite a lot. It’s the biggest haystack in the world, and everything we want to know is a needle.
How do you find something on the Internet? Well, most of the time you would use a search engine, which is an intricate combination of computers, software, and math that helps you find what you’re looking for. There are a lot of search engines to choose from, some of the more famous being Google, Bing, and Yahoo. What makes them different? Well, that’s a secret. They have computer programs called algorithms that they use to search the web and give you the thing you’re looking for, or at least what they think you’re looking for. These algorithms are what make each search engine special, and these companies don’t like to tell people how they work. Despite this, you can still try to figure out what makes these search engines different by comparing what they give you when you search for something.
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