We all know that case studies are going to have a happy ending, with great results for the customer. However, an element of uncertainty is not necessary for us to learn something.
How We Increased a Client’s Leads by 384% in Six Months by Focusing on One Topic Cluster is an impressive case study on the Moz.com blog by a UK marketing agency. It explains how they worked on a content marketing exercise for a financial company, and goes into the sort of detail that really brings what they did to life.
Well worth a read if you want to find out how content marketing can work.