I've been reading travel blogs and about the tales of travel hackers. There's a lot of folks out there that travel for business, and then take those miles and use them for pretty awesome vacations. They used to get airline miles by tricking the U.S. Mint into an ultimately poor business transaction, but basically you see lots of people who use miles to fly business or first class for long haul flights. For the rest of us minions, we fly coach, because honestly, who the fuck has money for business class. So let's talk about flying coach for a minute. In the U.S., they rename it to...