Twilight of the PC Era?

Considers the proposition, as advanced in an article by "Harvard Business Review" editor and writer Nicholas Carr, that the glory of the personal computer era is fading. Highlights of Carr's comments, including his opinion that the big computer innovations are over; Reactions of disbelief from industry insiders; Actual signs of trouble in the computer industry, such as decreased spending on new technology, security issues, and the significance of increased productivity; Reasons for optimism, despite the dire predictions; Role of the unexpected innovation; Impact of innovations like radio-frequency identification, and improved search technology. INSETS: A Brief History of PCs;Tracking the Trends.