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مركز العلم والعمل للتعليم عن بُعد Telegram News
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.” 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. 4How to customize a Telegram channel? 5Telegram Channel avatar size/dimensions End-to-end encryption is an important feature in messaging, as it's the first step in protecting users from surveillance.
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