Read now Invite up to 200 users from your contacts to join your channel A vandalised bank during the 2019 protest. File photo: May James/HKFP. 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.” Some Telegram Channels content management tips
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