The business landscape has changed significantly in the past 25 years—not only in how we work but also with whom we work.
It's sometimes easy to forget that king of the hill isn't a permanent position, and companies that seem invincible might not be around forever in their current form—or, in some cases, any form.
Icons fall, and here are some of the names we took for granted in 1989 that have since faded away.
—By Chris Morris, Special to CNBC.com
Posted 29 April 2014