Final answer:
The traveling public today is different from 50 years ago due to advancements and changes in the airline industry, such as reduced airfares, more efficient flights, and greater service to more cities. Commercial air travel has also become safer over time.
Step-by-step explanation:
The traveling public today is different from 50 years ago due to several advancements and changes in the airline industry. Deregulation of the industry led to increased competition, resulting in reduced airfares, more efficient flights, and greater service to more cities. The number of air passengers doubled during this time, which also doubled the number of jobs in the airline industry. Furthermore, commercial air travel has become safer over time due to the watchful oversight of government safety inspectors.