Spent

Some ideas are well-argued, some are too broad just-so stories (also, proposing to change the whole economy without dealing with incentives for various groups is really naive). See also Robin Hanson's review.

This is good, although:

Parents lament the time their teenagers spend with such technologies. They seem like meaningless, self-indulgent distractions from the proper role of juveniles under consumerist capitalism: (1) studying counterintuitive sciences and irrelevant humanities to display intelligence and conscientiousness, (2) working in part-time minimum-wage jobs to learn humility and even more conscientiousness, (3) participating in extracurricular activities that will look good on college and job applications, and (4) spending money on status goods, fads, and dates.