Some people bemoan the use of computer language to describe human behavior. But linguist Geoff Nunberg says the trend works both ways: we often discuss technology in anthropomorphic terms -- but only when it malfunctions.
On the eve of the 20th anniversary of man's first walk on the moon, commentator Stewart Brand shares his thoughts on space exploration and how it has changed us. Brand is founder of The Whole Earth Catalog.
Commentator Stewart Brand reports on his first journey through cyberspace, a type of three-dimensional computer-generated world that humans can `fly through' by simply pointing a finger. Brand traces the evolution of Cyberspace through recent fiction.