A Finnish company called IndoorAtlas has figured out that all buildings have a unique magnetic “fingerprint” — and has solved how to use that to determine locations inside a structure to within six feet. That is enough to take a consumer to a product in a crowded supermarket, or figure out the location of, say, a half-dozen workers in a building full of them. It’s also much better than cell phone towers can do. — bits.blogs.nytimes.com
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Now they can see what I'm doing in my bedroom?!
Probably developed for the Syrian resistance to give to Al Qaeda to use against the US to further justify increased militarism and totalitarianism at home.
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