Twenty years on from his first address at Comdex, Microsoft Corp. Chairman and Chief Software Architect Bill Gates this year used his keynote speech to reminisce and found that some software challenges from the 1980s still exist. He also announced new technologies to solve some of today's problems. "Slides from his presentation in 1983, when Gates' father operated the projector, showed that software should have no surprises, be trustworthy, follow a consistent model, be easy to understand and have an undo command."

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