How Google Maps Detects Traffic in Real Time 🚗 | Tech Fact

Описание: 🚗 Ever wondered how Google Maps knows there’s traffic ahead… before you get there?

It’s not magic — it’s **data**.

Your phone constantly sends anonymous GPS signals to Google.
When thousands of phones on the same road start moving slowly,
Google detects congestion and turns that road red on the map.

Billions of phones → billions of signals → one smart traffic system. 🌐

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