For those of you too young to remember MacPaint, this is what life was like 25 years ago. This was considered so "advanced"...futuristic! Considering how primitive it looks, people did amazing things with it!
Macintosh System 1.1 interface.
Above: Designed by Susan Kare, designer of the MacPaint interface.
UPDATE: You can now play with a modern, interactive facsimile, called CloudPaint. It's nearly identical! Check it out here.