Make the most of a short transfer or a long layover with these handy airport apps. They empower you to avoid the many pitfalls that overtook many a traveler back in the days when a tourist book and some maps was the best that you could hope for as far as trying to figure out where the heck you are in the airport was concerned. If a little knowledge is a dangerous thing than let the world be put on notice because with this list of airport apps for the iPhone your knowledge and prescience just grew astronomically.