Could World of Warcraft be a College Class?

If World of Warcraft were a college course, would you enroll? David Friedman, an academic economist "who teaches at a law school and has never taken a course for credit in either field" hopes so. He’s laid out a few reasons why he thinks all that copper and iron and mithril and thorium mining you’ve been grinding into virtual booty might be worth an elective credit or two.