Channel login must contain 5-32 characters A Hong Kong protester with a petrol bomb. File photo: Dylan Hollingsworth/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.” Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. Add up to 50 administrators
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