To save manpower, the FAA designates employees at aircraft makers to oversee the safety testing of new planes.

NPR: NTSB Probes Safety Testing Of Boeing 787 Batteries

Amazing to think all of the money and manpower that went into a solution to save you having to read the letters "L" and "R" and making a decision for yourself.

ENGADGET: Self-aware headphones switch channels depending on which ear they're in (video)