When designers replaced the command line interface with the graphical user interface, billions of people who are not programmers could make use of computer technology.
Howard RheingoldDoesn't it seem ironic that people fear that we might become alienated by communicating with each other through computers, when we are already staring at these boxes in our living rooms for seven or eight hours a day, slack-jawed and saying nothing to anyone on either side and not talking back to it.
Howard RheingoldCommunication media enabled collective action on new scales, at new rates, among new groups of people, multiplied the power available to civilizations and enabled new forms of social interaction. The alphabet enabled empire and monotheism, the printing press enabled science and revolution, the telephone enabled bureaucracy and globalization, the internet enabled virtual communities and electronic markets, the mobile telephone enabled smart mobs and tribes of info-nomads.
Howard Rheingold