To watch TV on PC is the next logical step. Ever since cave-dwelling hunters started using spears as weapons and then discovered they could use their weapons to hold meat and cook it over a campfire people have enjoyed find new ways to use tools and implements.
Car engines get hot. Heat can be used to cook. Somebody made that connection and now "engine block cooking" has become a popular addition to the traditional Sunday drive. Guidebooks are available with routes of enjoyable trips paired with recipes for meals that will cook in the distance driven.
At one time kids who felt they were too old for roller skates tossed them aside in search of more exciting games. When some enterprising child nailed the old metal skates to a wooden board the first skateboard was invented.Since then skateboarding has become an internationally popular sport and the basis of many lucrative businesses.
But since people love to find new ways to use old products a few creative thinkers started teaching their pets to ride skateboards. Now there are videos all over the internet of skateboard riding dogs, cats, hamsters and parrots.
The invention of the telephone allowed people to talk to friends and relatives who weren't in the same room with them. That made folks pretty happy. And when it became possible to talk to people in other countries, so much the better. Nowadays, however, if a phone doesn't make videos, receive email and tell you how to get from where you are to where you want to be it isn't much of a phone.
Television and computers are the dominant forces that influence and entertain Americans today. No one wants to be away from either one for very long so it's really just the next logical step to watch TV on PC. Search engines make it easy to find the programs you want. And if the monitor on your laptop is to small for comfort it's easy to connect to a larger monitor or hook your PC up to your TV.