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. Despite Telegram's origins, its approach to users' security has privacy advocates worried. Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov. Sebi said data, emails and other documents are being retrieved from the seized devices and detailed investigation is in progress. Now safely in France with his spouse and three of his children, Kliuchnikov scrolls through Telegram to learn about the devastation happening in his home country.
from cn