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A comment on Your wifi shows me where you live, work and travel.

Re:Your wifi shows me where you live, work and travel by mborsuk on Tuesday March 17, 2015 @12:40PM (#9219169)
> In order to connect to known networks which don’t broadcast their presence, almost all your wifi-enabled devices: laptops, tablets, phones, etc. will try to probe for networks they know about

But aren't nearly all APs configured to broadcast SSID? So why is that probing necessary in general?

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Re:Your wifi shows me where you live, work and travel by justintbassett on Tuesday March 17, 2015 @12:46PM (#9219234)
Some devices still probe, even for APs that broadcast their SSID. I honestly don't know enough about it to explain why, but I know some Android phones will probe (my Note used to, my nexus 5 doesn't)
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