Apple announced the Macintosh 41 years ago today, introducing the first widely successful personal computer with a graphical user interface.
The Macintosh revolutionized personal computing by popularizing the use of a mouse to control an on-screen pointer. At the time, this point-and-click navigation method was unfamiliar to most, as personal computers primarily relied on text-based command-line interfaces operated with a keyboard.
Read more at MacRumors.com