Portable information appliances rival PCs . Fuel-cell powered cars hit the streets. Toyota and Ford should introduce experimental fuel-cell automobiles by 2004.
Precision farming becomes ultra-efficient.
Satellite data and computerized tractors should boost crop yields within a decade. Millions of consumers buy customized merchandise online instead of visiting stores. Virtual shopping could account for one-third of the U.S. economy by 2007. People at home and work will access streams of information through large wall monitors. Virtual assistants handle routine chores.