At the RecSys 2018 conference on recommender systems, a very interesting tutorial was given on the first day by Marko Tkalčič from the Free University of Bozen-Bolzano. In his presentation he focused on how emotions, mood and personality shape the way we consume recommendations. Emotions, Mood and Personality shape the way we behave Marko first reminded us that we, human beings, behave according to our emotions, mood and personality. Yet the latter vary according to different frequencies (the graph below, from Marko’s presentation sums it up very nicely). Choice is driven by emotions Marko made...