Facebook Platform is a prominent example of an internet-based service for which third-party developers can offer small add-on programs, which are often referred to as applications. The distribution of success of applications is highly skewed. This market structure with few blockbuster applications and a long-tail of unpopular ones is common in the media, entertainment and software industries. Philip Mayrhofer compiled individual-level survey data as well as an original panel data set of Facebook applications in order to examine the market for Facebook applications in detail. Specifically he...