In this case, Syphone is a cell phone company trying to understand the value of their existing customer base. Using customer lifetime value, Syphone must determine the value of existing customer segments and determine how much a new prospective customer is worth.
A case study is deemed managerially complex when its solution is ambiguous, unclear, or requires extensive judgment calls; it is best suited for advanced students or executive education settings.
A case study is deemed technically complex when its solution requires extensive data manipulation, or when it requires to jungle with more than one marketing model.
Some case studies depict historical problems taking place decades ago. While graduate students and executive education participants have no problem with these cases, undergraduate students might find them dated.