河南救援电话，手机打不进去，就发短信。河南境内的朋友，千万不要慌。雨过之后就是彩虹。情况不紧急的，别瞎打，发短信。
多鼓励周围的朋友，不要说丧气话。
1. 不要喝自来水，有条件的烧开或者喝矿泉水。
2. 保持手机电量，给亲朋好友定时发送位置
3. 不管有没有遇到险情，不要慌，等待救援。万千不要慌。
河南各地救援电话详细：https://weibo.com/1775084261/KpFtUq4OU
BY 科技圈🎗在花频道📮
Since the violent storming of Capitol Hill and subsequent ban of former U.S. President Donald Trump from Facebook and Twitter, the removal of Parler from Amazon’s servers, and the de-platforming of incendiary right-wing content, messaging services Telegram and Signal have seen a deluge of new users. In January alone, Telegram reported 90 million new accounts. Its founder, Pavel Durov, described this as “the largest digital migration in human history.” Signal reportedly doubled its user base to 40 million people and became the most downloaded app in 70 countries. The two services rely on encryption to protect the privacy of user communication, which has made them popular with protesters seeking to conceal their identities against repressive governments in places like Belarus, Hong Kong, and Iran. But the same encryption technology has also made them a favored communication tool for criminals and terrorist groups, including al Qaeda and the Islamic State.
Telegram has no known backdoors and, even though it is come in for criticism for using proprietary encryption methods instead of open-source ones, those have yet to be compromised. While no messaging app can guarantee a 100% impermeable defense against determined attackers, Telegram is vulnerabilities are few and either theoretical or based on spoof files fooling users into actively enabling an attack.
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