[单项选择]The Japanese and U. S. governments both studied the concept of "wired cities" using cable TV to deliver entertainment, information and educational services similar to those discussed today in the context of the digital revolution. On the basis of these hopes, the US government allowed the cable companies to set up local monopolies. In the event, these never delivered anything other than television with the understandable justification that user trials found minimal consumer interest in any of the other service, including interactive TV.
What, then, is different this time
First, computers have become more powerful, cheaper, smaller, easier to use (although they still have a long way to go on this front) and more widely distributed, especially within businesses and especially in the U. S. Many of us now have personal computer (PCs) at home and also interact with computer technology in many other guises-games machines, automatic teller machines (ATMs) and the fifty microcom
A. more and more people send messages over it
B. new message-searching tools are developed
C. the Internet is not monopolized by anyone
D. there is no authority over the Internet