The document discusses A/B testing which was presented at a Tableau conference in Berlin in 2015. It includes a table showing the results of an A/B test with three variations - blue, purple and green - tested across four buckets (A, B, C and D) with a total of 650 participants. It also mentions that some terms used in A/B testing like bucket names will be changed to more creative names and provides brief explanations for other terms like chi score.