Have you ever heard of Cord Cutting? It's when someone chooses to replace cable television with services such as Netflix or Hulu.
Yeah I've been thinking about it.  What are the benefits?
Well, internet content is either free or a lot cheaper than cable packages.
that makes sense.  Whats the difference?
Well, generally internet content doesn't have commercials. There is also an other group called the cord-nevers who never had a cable subscription and have only used internet based entertainment
what is internet based entertainment?
It is entertainment that is accessed via the internet. There are a lot of services that have emerged that produce content that is only accessible online.
Oh cool.  I wonder how easy it is to switch?
and Q4'2018 1.1 million subscribers left traditional satellite and cable in favor of internet based streaming television. In Q1'2019 cable and satellite lost 1.4 million subscribers.
Market impact.
Parks Associates estimated that in 2008, about 0.9 million American households relied entirely on the Internet for television viewing; by 2017, this figure had increased to 22.2 million. Leichtman Research Group found that six percent of Americans watched at least one show online each week in 2008, a figure that grew to eight percent in 2009. The number of Americans subscribing
Cord-cutting
In broadcast television, cord-cutting refers to the pattern of viewers, referred to as cord-cutters, cancelling their subscriptions to multichannel subscription television services available over cable or satellite, dropping pay television channels or reducing the number of hours of subscription TV viewed in response to competition from rival media available over the Internet such as Amazon Prime, Crunchyroll, Hulu, Netflix, Philo, Sling TV and YouTube Premium. This Internet content is either free or significantly cheaper than the same content provided via cable.