دکترمهدي زارع: زلزله، سيل تغييراقليم ، ریسک سوانح و ترویج علم

دکترمهدي زارع: زلزله، سيل تغييراقليم ، ریسک سوانح و ترویج علم Telegram | DID YOU KNOW?

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.