Telegram is a cloud-based instant messaging application that was launched in 2013 by brothers Pavel and Nikolai Durov. It is available on multiple platforms, including iOS, Android, Windows, Mac, and Linux. Telegram is known for its security and privacy features, including end-to-end encryption for messages and the ability to set messages to self-destruct. Telegram also allows for group chats with up to 200,000 members and channels that can broadcast messages to an unlimited number of subscri...