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.” Telegram message that reads: "Bear Market Screaming Therapy Group. You are only allowed to send screaming voice notes. Everything else = BAN. Text pics, videos, stickers, gif = BAN. Anything other than screaming = BAN. You think you are smart = BAN. More>> Telegram channels fall into two types: You can invite up to 200 people from your contacts to join your channel as the next step. Select the users you want to add and click “Invite.” You can skip this step altogether.
from us