Mass Use of Inventions, Years until
use by 1/4 U.S. Population, Logarithmic Plot, Page
Electricity, telephone, radio, television, mobile phones:
Home computers and Internet use: Eric C.Newburger,U.S. Census
Bureau,“Home Computers and Internet Use in the United
States: August 2000” (September 2001),
also “The Millennium Notebook,” Newsweek, April
13, 1998, p. 14.