Dematerialization includes all thefactors except:

A$.$ A$.$ Travel replacement technologies such as telepresence technologies and other high$-$definition, high$-$bandwidth videoconferencing systems.

B$.$ Replacement of brick$-$and$-$mortar schools with elearning material.

C$.$ e$-$Government $-$ online government services replace the need for physical presence across a country or jurisdiction.

D$.$ e$-$Commerce $-$ online purchasing of goods and services replaces the need for physical presence.