As the country's favorite punching bag, TSA didn't come out of this survey as bad as we thought it would. But 40% dissatisfaction isn't something you're going to brag about.
Airlines' most frequent passengers aren't always serious business travelers. Sometimes they're people who see a slightly more humorous side to their experience.
If Travefy can find a niche at businesses that are too small for a corporate travel team and too big to go it alone, it may be an attractive purchase for a bigger player like Concur that wants to control business travel.
Lists like this are always about buzz rather than reality, so watchers will have to wait until these six reach their forties to see if they can turn their young-ish companies into established players.
We hope that Ryanair will use its Twitter account to broadcast the most audacious quotes from CEO O'Leary rather than deal with customer service complaints, a flood of which will likely return us to the days of the Twitter fail whale.