People have to work to earn a living. Some deliver the mail. Others grow crops. Still others work for an insurance company or run a small business. Things like shoes, refrigerators and automobiles are all made by people doing different kinds of jobs. These types of jobs are more or less traditional.

Living at the beginning of the 21st century, we are witnessing a new way of working. More and more business is handled in accordance with more up-to-date technological standards. A typical example is the  computer online system.