"The Economist" 's Idea of the Industrial Revolutions

Basics

• The Economist newspaper has a concept of the "Third Industrial Revolution" being the dawn of digital manufacturing
• The first was the advent of steam power, and replaceable parts in the 1800's (very common in school teaching)
• The seccond was steel, assembly lines, and basic electronics in the 1900's (taught in high school)
• The concept of a third one is still theoretical?