Travel hacker in 2-player mode, intent on visiting every country in the world, and can say "hello" or "how much does this cost?" in a bunch of different languages.
Retention offers are a massive part of this hobby. Here are data points on a current retention offer Amex, Chase & Citi have offered to credit card users.
Here's a rundown of EU261 flight compensation rules covering delayed and cancelled flights. We look at when this law applies and how to claim your rights.