Earlier quoted context omitted.
What's an example of a proposed technological break through which can do the work of the adult population?
Self-driving cars, travel websites, self-checkout lines, Amazon's automated shipping centers, the first fast-food restaurant that lets you order with a touchscreen instead of having your order taken incorrectly by a minimum-wage drone, possibly Watson as a replacement for low-level customer service/tech support
The drive through window with its crappy speaker and on-the-clock ordering experience is currently pretty poor.