Some of the signage is a bit strangely done, with grey lettering on beige cloth that's virtually impossible to read, but other than that it's crammed to the gills with rich information, cunningly narrativized and soundscaped by audio artists.
I thought it was a joke, but apparently all the signage is already being changed.
All the Northwest/KLM signage is changing this week to Delta, in airports and on planes, everything.
Location-based mobile integrated with digital signage is expected to be standard on 40% of digital-out-of-home screens by 2012. 6
If that were not bad enough, it turns out that the signage is so complicated that the airline employees whose job is to direct passengers to their flights do not even know where many places are or how to explain how to get there.