This is scary and I had no idea your and my cell phone pictures could nearly pinpoint our location... even if there's nothing in the picture to give away the location!
And if you're concerned about your wireless modem/router at home being unsecure, researchers in France have developed wi-fi blocking wallpaper!
Gotta wonder, with all those radio waves being reflected back, if it doesn't cook you like a microwave oven only lots slower.
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