A vandalised bank during the 2019 protest. File photo: May James/HKFP. Telegram offers a powerful toolset that allows businesses to create and manage channels, groups, and bots to broadcast messages, engage in conversations, and offer reliable customer support via bots. 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. To edit your name or bio, click the Menu icon and select “Manage Channel.” The Standard Channel
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