Not having a car used to mean you couldn't see your friends, and couldn't do the things you wanted to when you wanted to. Finally getting a car basically opened up life.*
Now with the internet in your pocket, you can socialize and experience new things at your convenience from wherever.
(* = USA-centric. The country is huge and tends not to have good public transport except a few of the densest urban pockets. Even our big cities are massively inconvenient without a vehicle of your own.)
The internet really isn't life. I think a combination of increased car ownership costs, car-sharing services, increased population living in denser areas, and ridesharing has helped.
Now with the internet in your pocket, you can socialize and experience new things at your convenience from wherever.
(* = USA-centric. The country is huge and tends not to have good public transport except a few of the densest urban pockets. Even our big cities are massively inconvenient without a vehicle of your own.)