I love it when airports genuinely seem to understand that people find themselves there for long periods of time, and that something like free wi-fi can turn the wait from a hassle into time that is actually productive. For instance, one can post an update like this on their blog.
Of course, Indianapolis International Airport has free wi-fi too. So what else makes Logan Airport in Boston special? The beautiful view from one's plane, and for the lover of seafood, the fact that not every airport in the world has a restaurant like this: