Giants that have disappeared

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.

Even icons fall. Click through these pages for a look at five names we took for granted in 1989 that have since faded away.