🎥 مستند کیهان ادیسه ای فضا زمان «قسمت20»
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این قسمت : ستاره های نوتورنی، سیاهچاله
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@yortchi_bosjin
BY کانال پشتیبان کتاب یورتچی(علم نجوم و علوم غریبه )
Secret Chats are one of the service’s additional security features; it allows messages to be sent with client-to-client encryption. This setup means that, unlike regular messages, these secret messages can only be accessed from the device’s that initiated and accepted the chat. Additionally, Telegram notes that secret chats leave no trace on the company’s services and offer a self-destruct timer.
Telegram is riding high, adding tens of million of users this year. Now the bill is coming due.Telegram is one of the few significant social-media challengers to Facebook Inc., FB -1.90% on a trajectory toward one billion users active each month by the end of 2022, up from roughly 550 million today.
کانال پشتیبان کتاب یورتچی علم نجوم و علوم غریبه from cn