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Message: <blockquote data-quote="MacInWin" data-source="post: 1793261" data-attributes="member: 396914"><p>That's how Waze keeps you up to date. It receives reports from all Wazers (in the background for your actual speed, in the foreground when you report something) and then downloads the reports from all Wazers about traffic conditions and things reported (accidents, blockages, police, etc). Along with that are the maps you may need. If you plan a trip, it gets all the maps it needs for the planned journey, but if you just set out, it gets the "next" map as you get close to the edge of the current map. Normally, that's all transparent, but if the cell/wifi gets erratic, you can see it working. It's an interesting technology.</p></blockquote><p></p>