Skeptics might say the airport of the future has always been just around the corner, but maybe the "smart airport" really is a thing.  Skift Travel Tech Editor Sean O'Neill tells Airline Weekly Editor Madhu Unnikrishnan about how advances in technology are improving the passenger experience, baggage tracking, and security. Hear what some of the world's more innovative airports are doing to implement new technologies into every part of their operations in this week's episode of the Lounge.