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📚 Сергей Валерьевич Маркелов был популяризатором науки, организатором и составителем заданий Математического праздника, автором задач Московской олимпиады школьников по математике, Турнира Городов, Турнира Ломоносова, Олимпиады по геометрии им. И.Ф. Шарыгина.
⭐️ Коллеги собрали несколько его увлекательных заданий, попробуйте решить их и вы: olimpiada.ru/article/1161
📚 Сергей Валерьевич Маркелов был популяризатором науки, организатором и составителем заданий Математического праздника, автором задач Московской олимпиады школьников по математике, Турнира Городов, Турнира Ломоносова, Олимпиады по геометрии им. И.Ф. Шарыгина.
⭐️ Коллеги собрали несколько его увлекательных заданий, попробуйте решить их и вы: olimpiada.ru/article/1161
"There is a significant risk of insider threat or hacking of Telegram systems that could expose all of these chats to the Russian government," said Eva Galperin with the Electronic Frontier Foundation, which has called for Telegram to improve its privacy practices. WhatsApp, a rival messaging platform, introduced some measures to counter disinformation when Covid-19 was first sweeping the world. But Telegram says people want to keep their chat history when they get a new phone, and they like having a data backup that will sync their chats across multiple devices. And that is why they let people choose whether they want their messages to be encrypted or not. When not turned on, though, chats are stored on Telegram's services, which are scattered throughout the world. But it has "disclosed 0 bytes of user data to third parties, including governments," Telegram states on its website. DFR Lab sent the image through Microsoft Azure's Face Verification program and found that it was "highly unlikely" that the person in the second photo was the same as the first woman. The fact-checker Logically AI also found the claim to be false. The woman, Olena Kurilo, was also captured in a video after the airstrike and shown to have the injuries.
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