High Quality Content by WIKIPEDIA articles! In regard to digital media, the term “magic circle” refers to the membrane that encloses virtual worlds such as first-person shooters (FPSs), online social environments, and massively multiplayer online role-playing games (MMORPGs). As noted by Edward Castronova in Synthetic Worlds: The Business and Culture of Online Games, this membrane “can be considered a shield of sorts, protecting the fantasy world from the outside world." Instead of being impenetrable, however, an examination of contemporary virtual worlds reveals that the magic circle is actually quite porous. More directly, there appears to be a relationship between virtual worlds and the outside world. Even though virtual worlds display a range of attributes that are unique to their realm, they also exhibit characteristics deriving from the outside world. Castronova uses the term "synthetic world" because a synthetic world “cannot be sealed completely; people are crossing it all the...