Eli5 how does the GPS know exactly how Long it will take you to get somewhere? Factoring in driving at different speeds or unforseen traffic that’s an hour away
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If you’re talking about Google maps, or other big GPS systems, they have lots of people everywhere using the system, which means lots of real time data of how long its taking people to drive from one place to another. So they know about the “unforseen” traffic that’s an hour away. They assume you are going the average speed of traffic, so the prediction might be too short or too long if you manage to outdrive everyone else, or if you drive like an old lady.
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