In that Twitter thread they are crowdsourcing which parts have been taken out by Chinese censors.
Now out the full Chinese simplified version.
Super-leaker Snowden punts free PDF* of tell-all NSA book with censored parts about China restored, underlined ## * In Simplified Chinese
https://www.theregister.co.uk/2020/02/10/snowden_china_censorship/?
Located at https://a.temporaryrecord.com/