You’ve no doubt heard that a picture is worth a thousand words. While there’s truth to that popular adage, the reality is that the quality of the picture factors into how much the picture is worth.

Porter, Michael E., Jorge Ramirez-Vallejo, and Alexandra Houghtalin. "CVS Health: Redefining the Value Proposition." Harvard Business School Case 717-436, November 2016. (Revised February 2017.) ...