Judge Hui described Ng as inciting others to “commit a massacre” with three posts teaching people to make “toxic chlorine gas bombs,” target police stations, police quarters and the city’s metro stations. This offence was “rather serious,” the court said. 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. Write your hashtags in the language of your target audience. Public channels are public to the internet, regardless of whether or not they are subscribed. A public channel is displayed in search results and has a short address (link). 5Telegram Channel avatar size/dimensions
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