For example if you liked to go out and play poker in a local bar in the 1920s. It Required actual poker skills, but also good banter, and had an element of danger to it. Seems like your brain neurones would be firing, just to keep up with the banter at the table while you downed whiskey trying not to lose too much money.
Now so many people stay at home, watch some TV or watch some porn, fall asleep and go to work the next day. And things are safe, virtual and fake.
Technology has made movies possible, I love movies. But I value the experience of reading a book differently. Its a much richer and deeper experience. And technology made it very cheap now with things like kindles. But still I think there's been a decline in the amount of people reading books. Even though I think society would be enriched from more people reading books. Its now the average person has easier lazier entertainment to occupy them.