Earlier quoted context omitted.
> from someone older, who was in the 80s There was the same amount of time, but it was allocated differently. There were phone calls. If somebody calls you on the phone, you stop doing what you're doing and talk to them. Apart from that, time was scheduled in larger chunks, with fever context switches. You watch a movie start to finish, not a bunch of 2 minute Youtube videos. You spend an evening printing photos in t…
What wouldn't I give to have such attention span! I can't even watch a movie these days (months? um, years?). Yesterday I alt-tabbed to chrome and opened HN while hearing the movie that I was in the middle of watching. Yes, I have a PC connected to my TV! What is wrong with me?! I want to be able to read a non-technical book fully and I can't and I'm very unhappy about this whole situation.
Your message started with "What wouldn't I give to have such attention span!", and it turns out that you don't need to give all that much. Getting started is difficult, though.
If you do start down this path, consider reading Deep Work by Cal Newport to give you some ideas about how you can use the focus and concentration abilities you're building. Again, it's not perfect, but if you take the book as a list of suggestions rather than a strict prescription of what you should do, you'll probably find that you can adapt its lessons to make your life better.