I'm not entirely convinced. I did Twitter searches for some of the phrases Tay "said" and found random tweets made by other people weeks ago it was quoting thro

I'm not entirely convinced. I did Twitter searches for some of the phrases Tay "said" and found random tweets made by other people weeks ago it was quoting through a filter (lower casing, mostly). So it can't entirely be down to trolls attempting to game the bot - it was actively plucking content from tweets that pre-dated its release.