Apple Lisa

Apple Lisa — Apple's revolutionary GUI computer announced January 1983 at $9,995. The first commercial Apple system with: - Graphical user interface - Mouse-driven interaction - Bitmapped display - WYSIWYG applications - Multitasking - Filesystem with hierarchical folders

Predecessor to the Macintosh. Commercially unsuccessful due to high price but technologically influential.

James M. Burger (Pi's resident lawyer) wrote Pi's March 1983 LISA article.