USERS OF INTERNET Nielsen Media Research, which began studying Internet usage in 1994, reported that in 1995 40% of Americans over the age of 12 had access to computers. (Nielsen Media Research, July 1996) 10% of Americans over 16, were online at that time. In their most recent survey, taken in December 1996 and January 1997, Nielsen reported that 23% of Americans over 16 are now Internet users, an amazing rate of growth. At least 50.6 million Americans are now online, according to Nielsen. (Associated Press, March 13, 1997) "At this rate, within two years the citizens of cyberspace will outnumber all but the largest nati