Learn why reducing the number of choices can actually lead to higher sales, as demonstrated by the success of simplifying the Head & Shoulders shampoo variations. Explore Sheena Ainga's study on supermarket jams and its impact on intrinsic motivation. Discover the negative effects of too many choices on consumer behavior and decision-making. Find out how McDonald's doubled their sales by simplifying their menu and the quest to find the optimal number of choices for businesses. Explore the consequences of choice overload, from decreased decision-making likelihood to lower satisfaction, and how it impacts dating, relationships, and retirement savings.