If 99% of the world was illiterate probably our world is not as chaotic as right now. People will be less likely to be greedy in power, in fame and in wealth. The more the knowledgeable people have become especially with it comes to the use of technology, the many the swindlers and scammers also. Probably, if 99% of us were illiterate, then good virtues will rule in dealing with other people it is because that's the only thing learned by an illiterate person, respecting each other. In today's generation with the advancement of technology nothing is impossible.