Coming to shoulder the burden is a generation the psychologist Jean Twenge calls iGen — like iPhones, but people. They love not only iPhones but also a number of other things beginning with i, such as individualism, irreligiosity, and (we’re straining a touch here) “in person no more.” Twenge defines them thus: “Born in 1995 and later, they grew up with cell phones, had an Instagram page before they started high school, and do not remember a time before the internet.”