Today, the interior of a commercial aircraft operated by a full-service network carrier like United Airlines, Delta Air Lines, or American Airlines looks very different from what it did thirty years ago. The economy cabin looks relatively the same, although technological upgrades like modern seatback televisions and in-seat power outlets may make the passenger experience somewhat more enjoyable. Across the board, however, the cabin's configuration is not that different. Towards the front of the aircraft, however, is where things really get interesting and where a stark contrast can be seen between the present and the past. Prior to the turn...