Thread: Tube passengers tracked by phone WiFi
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Old September 10th 17, 07:16 PM posted to uk.transport.london
[email protected] rosenstiel@cix.compulink.co.uk is offline
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Default Tube passengers tracked by phone WiFi
In article , (Roland Perry)
wrote:

In message , at
13:49:16 on Sat, 9 Sep 2017, remarked:

Apart from anything else, this is about wifi coverage which is for data
which is little used for voice calls.

Never used Whats App voice calls, grandad?

No, nor Skype on my mobile, as it happens. Do you know the volumes? I did
say little used not unused.

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Colin Rosenstiel
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