Apple's legacy, of course, is lengthy. It popularized the personal computer, as well as technologies like the mouse and graphical user interface. Time Magazine termed the day one of the 80 days that changed the world since 1923.
But there were other contributions as well. It was one of the forerunners in the casual Friday concept, and also helped usher in the idea of hiring rockers on the wane as Christmas party entertainment. Bringing design into technology can also be chalked up to Apple.
Youthful, brash corporate leadership. Yep, they get some credit for that too, as well as making the IPO a universal catch phrase.
And most recently, the company has pulled off a feat that Hewlett-Packard hopes will become a trend: older companies coming back from disarray.