Considering the low margins they make flying us where we're headed, airlines are smart to seek other sources of revenue through travel-related merchandise.
Your baggage may go missing thanks to a carrier who is flying an Airbus plane, but at least you'll be able to track where that bag is thanks to Airbus.
All the thought behind smart technology is a great thing, but there's little mention in the study of the effect baggage fees have on lost bags -- the fewer checked, the fewer lost.