Четырёхугольник ABCD описан около окружности w. Точка I – инцентр треугольника ABC, прямые AC и BD пересекаются в точке P. Луч IP пересекает w в точке Q. (!) (ACQ) касается w
Четырёхугольник ABCD описан около окружности w. Точка I – инцентр треугольника ABC, прямые AC и BD пересекаются в точке P. Луч IP пересекает w в точке Q. (!) (ACQ) касается w
One thing that Telegram now offers to all users is the ability to “disappear” messages or set remote deletion deadlines. That enables users to have much more control over how long people can access what you’re sending them. Given that Russian law enforcement officials are reportedly (via Insider) stopping people in the street and demanding to read their text messages, this could be vital to protect individuals from reprisals. "He has to start being more proactive and to find a real solution to this situation, not stay in standby without interfering. It's a very irresponsible position from the owner of Telegram," she said. Founder Pavel Durov says tech is meant to set you free 'Wild West' I want a secure messaging app, should I use Telegram?
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