Slate's The Big Money site is a place to visit in monitoring the corporate use and spread of social media. They've posted the Facebook 50, a list of the 50 brands making heavy use of Facebook in "the nebulous yet all-important world of social media." Any day now, The Big Money will be adding the Twitter 12, aiming to establish both as a Dow Jones Industrial Average or Fortune 500 for social media watching.
The editors note that because "social media is highly fickle, there is some reason to think that as soon as a site becomes an effective platform for corporate promotion, its irrelevance is imminent." For now at least, Facebook is seen as a highly advantageous outlet for corporate PR.
Companies don't qualify for the list unless they have a minimum of 200,000 Facebook fans. That's a goodly bloc of sentiment to monitor. Cutting it finer, companies qualify for the Big Money list based on "how often they update their Facebook offerings; the level of engagement demonstrated by their fans; how fast a company’s site has grown; and how creatively the companies are using their Facebook presence, as evaluated by a distinguished panel of outside judges."
To whet your interest further, here are the Top 10 corporate Facebook users: Coca-Cola, Starbucks, Disney, Victoria's Secret, iTunes. Vitaminwater, YouTube, Chick-fil-A, Red Bull, and T.G.I. Friday's.