Academic

Faculty profiles are interesting and all, but they're even better when they let you to predict your marathon times as you age - and compare them to a noted Yale economist's.  Or, say, chart the decline of your chess abilities.  Or make stock price predictions based on your own macroeconomic and company-specific assumptions.

All of this is a way of saying that Ray Fair has a cool website.  He's the guy who is currently predicting that the Republicans will lose the 2008 presidential election by two percentage points, as Jack Balkin noted. (See also John Cassidy.)

Anyway, it's pretty interesting.  And you can also find out that Emily Oster, much discussed development economist, is a relative of M. Fair's.