I assume Twitter is blocked by GFW which is why I never see anything. nostr's censorship resistance is a big win here. As long as you can get a message out through some VPN to a public relay... this will be hard for the CCP to stop.
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In fact you can find many mainland Chinese sharing what happening in China.
VPN is also blocked, especial those popular VPN providers IP.
But those who like freedom still can find their way to step across GFW :)
Thanks to many unselfish coders, they create V2ray, shadowsocks ,trjoan etc tools to make steping over GFW possible.
Interesting, I've never heard of these! If there's a will there's a way.