Many products can already be bought online and shipped to you overnight. Companies can reach customers all over the world. Distance learning is the big trend now in schooling. Soon you will listen to the best instructors in the world lecture over the internet and attend their classes in your living room. Publishing a book will soon be a matter of writing in on a personal computer and then putting it on your server for people to down load for a small charge.
Communication is about to under go another revolution.
Originally communication was the face to face verbal expression and exchange of ideas. Writing allowed a person to communicate to another person without seeing them. The printing press opened up the door for spreading your ideas to many people. In this century, radio freed this audio communication from the necessity of being connected by wires. TV added visual information to communication over the air.