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by flowless 2276 days ago
Any idea how it works? The site is not very helpful in that manner.
2 comments
verify_sirrah 2276 days ago
Presumably using Bluetooth beacons.

https://en.wikipedia.org/wiki/Bluetooth_low_energy_beacon

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closeparen 2276 days ago
Probably the same way that Google Maps traffic or “this restaurant is busy now” indications work.
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