1. U.S. population
Then: 111+ million
Now: 333+ million
2. Cars in the U.S.
Then: 12+ million
Now: 290+ million
3. Americans living on farms
Then: 30%
Now: Less than 2%
4. Popular entertainment
Then: Silent movies, radio programs, board games
Now: TikTok, online video games, watching Netflix
5. Coolest technology
Then: Three-light traffic signals, handheld hair dryers, electric blenders
Now: 3-D printers, color-changing cars, humanlike robots
6. Average price of a movie ticket
Then: $0.22
Now: $9