Telegram also has social networking features, allowing users to post stories, create large public groups with up to 200,000 members, or share one-way updates to unlimited audiences in so-called channels. Telegram provides end-to-end encryption in voice and video calls, and in optional private chats, which Telegram calls Secret Chats.
It is available for Android, iOS, Windows, macOS, Linux, and web browsers. It allows users to exchange messages, share media and files, hold private and group voice or video calls, as well as public livestreams. It was originally launched for iOS on 14 August 2013 and Android in October 2013. Telegram Messenger, commonly known as Telegram, is a cloud-based, cross-platform instant messaging (IM) service.
