There are two kinds of technologies :
- fork-lift trucks equalize the productivities of people (eliminating the differences in strength)
- microphones (exacerbating the differences in singing ability)
- maybe Karaoke tries to eliminate it?
Worth thinking about for the interaction between technology and inequality though his last point (China etc. being nothing but cheap manufacturing opened up by liberalization) should be contrasted with JohnHagel's view of China and India as hotbeds of new GlobalProcessNetworkManagement innovation)