2How to set up a Telegram channel? (A step-by-step tutorial) A Hong Kong protester with a petrol bomb. File photo: Dylan Hollingsworth/HKFP. The Channel name and bio must be no more than 255 characters long Developing social channels based on exchanging a single message isn’t exactly new, of course. Back in 2014, the “Yo” app was launched with the sole purpose of enabling users to send each other the greeting “Yo.” Add up to 50 administrators
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