“Today, you don’t have to look any further than your phone to see Hedy’s legacy – Bluetooth, GPS, and cell phone networks all depend on variations of the spread-spectrum system Hedy first conceived. The entire infrastructure of the modern world depends on spread-spectrum, and the value of the inventions that built upon Hedy’s idea is hard to quantify.”
http://hackaday.com/2015/11/16/citizen-scientist-hedy-lamarr/
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