A vandalised bank during the 2019 protest. File photo: May James/HKFP. How to Create a Private or Public Channel on Telegram? Telegram desktop app: In the upper left corner, click the Menu icon (the one with three lines). Select “New Channel” from the drop-down menu. Earlier, crypto enthusiasts had created a self-described “meme app” dubbed “gm” app wherein users would greet each other with “gm” or “good morning” messages. However, in September 2021, the gm app was down after a hacker reportedly gained access to the user data. The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar.
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