1982-09-19

Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

This Day in History: 1982-09-19

(September 19, 1982)
Scott Fahlman, a Carnegie Mellon University computer scientist, writes the first recorded smiley faces :-), and the frowny faces 🙁 on the university’s bulletin board system.
photo source: wikimedia.org