3 ms·

This has been done before, with Bluetooth - and it really pissed people off. http://www.theguardian.com/news/blog/2008/jul/21/bluetoothblog http://www.theguard

This has been done before, with Bluetooth - and it really pissed people off. http://www.theguardian.com/news/blog/2008/jul/21/bluetoothblog http://www.theguardian.com/news/blog/2008/jul/21/bluetoothbl... http://www.cityware.org.uk/ http://www.cityware.org.uk/ http://www.bbc.co.uk/news/technology-23665490 http://www.bbc.co.uk/news/technology-23665490

abandonliberty 11y ago
Not the same thing at all. These are all intrusive and dependent on the user having a device. This article is using wifi as a sort of radar by measuring signal attenuation/interference from meatbags.
deleted 11y ago
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