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Re:Cat People vs. Dog People by NeutronBoy on Monday August 08, 2016 @07:18PM (#12251472)
You'll probably find that they didn't use any data that's not available to 'public' viewing.

(Would be interesting to hear about their sampling methodology)

Re:Cat People vs. Dog People by gwern on Monday August 08, 2016 @08:34PM (#12251775)
I'm not sure about that. The sentiment analysis in particular sounds like it might be using private updates.