共匪赖以续命的法宝有三：一是信息封锁愚弄国民；二是暴力打压镇慑国民；三是金钱外交暗黑渗透。其中尤以第一条最为关键。若无防火墙，所有信息都能畅通无阻，国民就能对比国内外的生活差距和自由权利，那么第二、第三条就都会土崩瓦解。所以帮助国民翻墙虽然看着事小，实际上是重中之重的基础工作，同时风险也很小。
BY 全民共振唯一官方频道
Some messages aren’t supposed to last forever. There are some Telegram groups and conversations where it’s best if messages are automatically deleted in a day or a week. Here’s how to auto-delete messages in any Telegram chat. You can enable the auto-delete feature on a per-chat basis. It works for both one-on-one conversations and group chats. Previously, you needed to use the Secret Chat feature to automatically delete messages after a set time. At the time of writing, you can choose to automatically delete messages after a day or a week. Telegram starts the timer once they are sent, not after they are read. This won’t affect the messages that were sent before enabling the feature.
Mr. Durov launched Telegram in late 2013 with his brother, Nikolai, just months before he was pushed out of VK, the Russian social-media platform he founded. Mr. Durov pitched his new app—funded with the proceeds from the VK sale—less as a business than as a way for people to send messages while avoiding government surveillance and censorship.
自动化研究院→Telegram机器人 自动化聚流程序 from it