Telegram boasts 500 million users, who share information individually and in groups in relative security. But Telegram's use as a one-way broadcast channel — which followers can join but not reply to — means content from inauthentic accounts can easily reach large, captive and eager audiences. Friday’s performance was part of a larger shift. For the week, the Dow, S&P 500 and Nasdaq fell 2%, 2.9%, and 3.5%, respectively. Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov. "He has kind of an old-school cyber-libertarian world view where technology is there to set you free," Maréchal said. In 2018, Russia banned Telegram although it reversed the prohibition two years later.
from es