In the meantime, Mr. Wonder remains an avid explorer of music's technological frontiers.

Generations of inventors and investors have kept us on the technological frontier.

A picture book of 114 pages, it pushes the technological frontiers of digital photography and computer printing.

Still, he said, American companies must continue to explore the technological frontier to avoid losing markets to low-cost foreign competitors.

"When you are always pushing back a technological frontier, there is some probability you won't be able to do it" without cost overruns, he said.

No enterprise is without its technological frontiers.

This is the technological frontier of the age of entertainment.

To reckon with this technological frontier of human consciousness means to reevaluate the very nature of information, creativity, property and human relations.

For example, in the 1930s aviation was the new technological frontier and municipalities worked to promote themselves with the development of municipal airports.

Some lenders are moving into a new technological frontier, developing computer models that decide which late payers to pounce on first.