All are worth awareness and reflection. Here are a half-dozen of hundreds that could be mentioned. Iowa City residents 150 years ago had books, stories, songs, and vivid imaginations. But most of the day was spent interacting with nature and humans. A family vacation is more likely to be spent at an amusement park than a national park.
Episodic television is a poor substitute for pre-TV family activities.
But a family that watches together at least has the TV show in common, however awful it may be. Many homes have more than one. This means that family members who used to watch TV together without talking can now watch computer screens alone without talking. The categories of issues are endless. Some of the most significant impact business opportunities and jobs.