Searching for airport freebies

Airports can be notoriously pricey, with the cost of everything from food to wifi jacked up for a captive audience. However, SmarterTravel has a list of ten things that you can get for free at most airports, like tours of the airport or nearby landmarks, exercise areas, or even religious services (at Chicago Midway, you can even meet with a priest for confession.) What’s your favorite airport freebie?