Add Yahoo as a preferred source to see more of our stories on Google. Don't get tricked next time you pay for an airline upgrade, because you might not be getting what you expect. Here's what I mean.

Airbus has a groundbreaking concept that could revolutionize the future of premium air travel on the A350-1000.

First-class fliers have a code. It’s subtle and usually comes with a glass of champagne. If you want fit in before you fall flat in a sea of stares, learn the unspoken rules—lest you mistake the amuse ...