Something happened about 30 years ago that changed everything: the advent of the Internet.
The Internet has changed how the world operates, and cloud technology has changed the way business is done. Today, sales has come to a divide. On one hand, we have the traditional approach, in which reps pack up and go meet each customer person-to-person. On the other hand, we have an inside sales approach, where teams of sales reps are lined up on the phone.
Inc. article here