"The result is on this photo: fiery 'greetings' to the invaders," the Security Service of Ukraine wrote alongside a photo showing several military vehicles among plumes of black smoke. "Your messages about the movement of the enemy through the official chatbot … bring new trophies every day," the government agency tweeted. For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. Again, in contrast to Facebook, Google and Twitter, Telegram's founder Pavel Durov runs his company in relative secrecy from Dubai. Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion.
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