frequent flyer miles
Surge Pricing Comes to the Skies with United’s In-Flight Wi-Fi
You can now trade frequent flyer miles for Wi-Fi, but the number of miles changes with demand.
A Travel Hacker Explains How to Fly Around the World for Free
Brian Kelly, a.k.a. "the Points Guy," told me what I needed to do to come out ahead in my interactions with credit card companies.