2. Win-win revolution Popularized by the book Getting to Yes. Negotiating Agreement Without giving In by Fisher, Ury, and Patton in the early 1980S.(1981 1991,1995) The focus shifted from battling over the division of the pie to the means of expanding it by uncovering and reconciling underlying interests Principled Negotiation: Four key contributions (TBCed)Popularized by the book Getting to Yes. Negotiating Agreement Without Giving In by Fisher, Ury, and Patton in the early 1980s. (1981, 1991, 1995) The focus shifted from battling over the division of the pie to the means of expanding it by uncovering and reconciling underlying interests. Principled Negotiation: Four key contributions (TBCed) 2 …Win-win revolution