The wheel gave humans greater mobility, and from it sprang the bicycle, the automobile and, eventually, airplanes. Communication is an even more basic necessity than mobility, and since humans first uttered a word, methods of communication have evolved continuously, as well.

At the end of 2018, the number of open jobs in the U.S. reached 7.3 million, according to the Bureau of Labor Statistics. That’s the highest number of job openings on record since the Department of Labor started measuring them in 2000. Available jobs have outpaced hiring for more than a year, indicating that companies are having a difficult time filling their vacant positions.

It’s an intuitive fact: To be successful, entrepreneurs must be powerful leaders whose employees immediately fall in line with their every command. When they make a decision, their employees follow almost automatically, and with respect, obedience and trust that their leader is experienced or more knowledgeable than they.

Not too long ago, there was a time when people had to actually pick up the phone and dial customer service to speak with a support representative, but that era is long gone. Today, we live in an age of near-immediate gratification in which we're bombarded with hundreds of brand messages and advertisements during more than 11 hours of staring at our screens per day. As a result, better customer service is becoming mission-critical for most businesses. In fact, customer-experience strategists Walker released a study determining that customer experience is bound to make or break sales more than price and product.