For $0.99 why wouldn’t you buy and App that makes that endless jetlagged wait from 2am-6am more bearable?. Or, when you’re sitting in Frankfurt why not figure out what is just beyond the treeline. I know I could have used a little information during my layovers. WikiMe is an App that pulls up Wikipedia geo-tagged entries that are in proximity to your location.
Gizmodo has the write-up so head on over and take a gander at some of the other Apps they’re reviewing.