] Although we successfully forced personal computing to
] move to the graphical interface, since then fundamental
] innovation in personal computing has ground to a stop.
] The operating system most computers users work with every
] day is stuck in 1993, with very little fundamental
] improvement in the last decade. The applications on
] users' desktops, bloated beasts like Word and PowerPoint,
] haven't substantially improved in years.
]
] Why? Because they don't have to change. Because
] there's no effective competition. Because Apple failed.
]
] Those of us who use Windows every day at work are
] reminded constantly of our company's failure.
] Unfortunately, the rest of the world is being punished
] along with us.

Apple Computer History Weblog : Who Killed Apple Computer?