More details in the compete post: https://www.tumblr.com/lavenderhorns/705277666010464256/every-now-and-then-i-remember-that-malbolge-exists?source=share
More details in the compete post: https://www.tumblr.com/lavenderhorns/705277666010464256/every-now-and-then-i-remember-that-malbolge-exists?source=share
Too late, take a look at teletext and RDS for radio, and also literally the very first cable free TV remote controls