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How would you use RFID's to improve your city?
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Instant, accurate, pervasive positioning system
Updated: May 05, 2013 Brian K22
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Integrate an RFID with an accurate position code into every street lamp, or evenly space in the sidewalk below your feet. RFIDs cost less than 10 cents each, so it shouldn't be too bad to do it on a massive scale.

By triangulating signal strength with nearby tags, your RFID reader (conveniently it can be in your phone) will be able to tell you exactly where you are at all times. It'll be faster than GPS and much more accurate, and it'll beat cell phone tower triangulation by a long shot because the tags will be so massively redundant and nearby to all locations. It'll be so accurate that it could be used as an extra layer of positioning security for Google's self-driving cars.

This positioning system can also be used in conjunction with Augmented Reality. The pervasive RFID positioning system can be used to determine where to overlay augmented reality images/information across the city, viewable with your smartphone or next generation HUD.

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