This crazy airliner concept lets airlines easily mix and match seating configurations

Most people don’t think about the process of assembling the interior of an aircraft when they’re flying. Instead, passengers focus on more immediate concerns like peanuts and tight legroom. But installing the inside of an aircraft is hugely important for airlines: they must make decisions about balancing that legroom with the number of seats, as well as making sufficient room for things like bathrooms and galleys.
Because installing the aircraft interior is such a labor-intensive (an