We book flights and hotels online, then yearn for free WiFi at 30,000 feet. We use Google maps to find tourist sights and Yelp to to pick restaurants in unfamiliar cities. When it comes to travel, the smart phone is travel agent and guidebook rolled into one. But the surging demand for free WiFi and greater bandwidth has airports, airlines and hotels scrambling to keep up. Tech Tuesday explores how technology is changing the way we travel and shaping our expectations when we're on the road.