To borrow from the language of economics, Salcedo sees time as a regular kind of “good”—a resource that’s more valuable to you the more of it you command. (Money is the classic example: it’s better to control more of it than less.) Yet the truth is that time is also a “network good,” one that derives its value from how many other people have access

It is these durational expectancies, different in each society but learned early and deeply ingrained, that are shaken up when the pace of life is altered.