Decision-making is what managers and leaders must do on a regular basis and often in turbulent situations where time is of the essence. These decisions directly influence revenues, costs, and profits of organizations, both large and small. Using the case study method provides a simulated environment where you can apply what you learned to develop decision-making skills as you sift through large volumes of information to identify problems, determine goals, define relevant alternatives, and develop plans to implement decisions.Avery, J. (2019). Glossier: Co-creating a cult brand with a digital community (Case 519022). Harvard Business School Publishing