Individual messages can be fully encrypted. But the user has to turn on that function. It's not automatic, as it is on Signal and WhatsApp. Anastasia Vlasova/Getty Images For tech stocks, “the main thing is yields,” Essaye said. For Oleksandra Tsekhanovska, head of the Hybrid Warfare Analytical Group at the Kyiv-based Ukraine Crisis Media Center, the effects are both near- and far-reaching. "He has kind of an old-school cyber-libertarian world view where technology is there to set you free," Maréchal said.
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