In February 2014, the Ukrainian people ousted pro-Russian president Viktor Yanukovych, prompting Russia to invade and annex the Crimean peninsula. By the start of April, Pavel Durov had given his notice, with TechCrunch saying at the time that the CEO had resisted pressure to suppress pages criticizing the Russian government. Although some channels have been removed, the curation process is considered opaque and insufficient by analysts. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. False news often spreads via public groups, or chats, with potentially fatal effects. Some privacy experts say Telegram is not secure enough
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