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Next time you are using Wi-Fi on your cellphone, or connected to a 4G LTE signal, keep in mind that the person you need to thank for these innovations is an actress who received a patent in 1942 for "spread spectrum technology" that is currently used in Wi-Fi, Bluetooth and LTE technology. The actress was born in Austria as Hedwig Kiesler and you might know her as Hedy Lamarr...
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