Scientists develop an ultrasound-firewall that can prevent hackers from eavesdropping on hidden data transmission between smartphones in Gadgets News Latest Gadgets Latest News Tech on Firstpost Technology News published on May 28, 2018 leave a reply via Latest News Tech on Firstpost https://ift.tt/2kvo9iL Tweet Share Share Share Share Previous Post Next Post post written by: Ashok.HindiGadgets360
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