Despite Telegram's origins, its approach to users' security has privacy advocates worried. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. "He has kind of an old-school cyber-libertarian world view where technology is there to set you free," Maréchal said. The Dow Jones Industrial Average fell 230 points, or 0.7%. Meanwhile, the S&P 500 and the Nasdaq Composite dropped 1.3% and 2.2%, respectively. All three indexes began the day with gains before selling off. Recently, Durav wrote on his Telegram channel that users' right to privacy, in light of the war in Ukraine, is "sacred, now more than ever."
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