Below is your Video of the Day... a 'blast from the (computer history) past'.
It is the original promotional video for the Apple Lisa from 1983. The video highlights the breakthrough GUI as well as the innovative mouse and 'incredible' 1/2MB memory...!!
...the video is about 7-min and well worth the watch, check it out below:
If you want to jump ahead, check out... :55, 2:22, 2:44, 4:45, 6:14