Do you know any frequent fliers? Perhaps you're one yourself. One thing I have noticed about travelers who fly often (and I know many) is that they sometimes feel frustrated when their fellow passengers' actions slow down the airport security screening and airplane boarding processes.
While Emily Post could never have envisioned today's air travel situation (full-body scans, pat-downs, checked baggage fees, etc.), she certainly would have encouraged airline passengers to plan ahead and to be considerate of their fellow travelers. Today's frequent fliers tend to do just that; they pack and prepare so that they spend as little time as possible in security lines and boarding queues.
It all comes down to air travel etiquette. If most air travelers prepare in advance and know how to get through security and board their airplanes quickly, every passenger can find space for carry-on baggage and enjoy an on-time departure. Once in the air, the common rules of politeness apply, with a few air travel-specific additions.
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