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elromulous
75 days ago
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No GPS required: our app can now locate undergroun...
Citymapper has been able to tell you what stop you're at for many years (at least on the NYC subway). How does their solution work?
f1shy
75 days ago
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No idea, but think about fingerprinting through available Wi-Fi ssid and/or BT devices?
agos
75 days ago
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not in Milan though, even though we have full cellular coverage underground. I wonder why the difference
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