12. Communications Businesses
It is likely that everyone you know above the age of 15 years old owns a phone. Think about how terrible it would be if you found yourself in a place without any network coverage for a few days; it makes you wonder how people survived without the smartphones we have today. This dependence on phones opens up a huge market for communication businesses, since everyone needs to communicate.
Communication companies might make a few dollars from an individual in a day, but when you multiply the few dollars with each company’s customer base of millions of subscribers, you get to understand how these companies make billions of dollars in profits and millions and billions for their owners.
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