In 1878 – Photographer Eadweard Muybridge used high-speed photography to capture a horse’s motion. The photos showed the horse with all four feet in the air during some parts of its stride. Stop-motion photography was born.
In 1949 – Jay Forrester wrote down a proposal for core memory in his notebook. Core memory was the standard for computer memory until advances in semiconductors in the 1970s.
In 1987 – Compuserve’s Sandy Trevor and his team, which included inventor Steve Wilhite, released GIF version 87a. The new enhanced format allowed people to create compressed animations. “Under Construction” GIFs everywhere became possible.