You might expect that in the intervening decades, a period in which this middle class exploded in size worldwide, our thinking about leisure time would have evolved. But it has not. If anything, with the rise of the Internet and the low-brow attention economy it supports, the average forty-hour-a-week employee—especially those in my tech-savvy Millennial generation—has seen the quality of his or her leisure time remain degraded, consisting primarily of a blur of distracted clicks on least-common-denominator digital entertainment.