Interesting! A clear reference to some of the other social media corporations colluding with the FBI/CIA in addition to Twitter:

I spent much of today looking at exactly similar documents, seemingly written by the same people, except the “offices” copied at the top of their reports weren’t other agency stations, but Twitter’s Silicon Valley colleagues: Apple, Facebook, Microsoft, LinkedIn, even Wikipedia.

For some reason, I did not initially consider LinkedIn as a likely member, but then again, why not? They're Facebook for Business.