People have mixed illustration and text forever. But the 20th-century philosopher Ludwig Wittgenstein proposed using faces for rapid communication of emotion, coequal to text

It should hearten us all that Wittgenstein, the author of works like “Tractatus Logico-Philosophicus” (it reads just as easy as it sounds) was given to sending postcards to his friends enhanced with incredibly cringe jokes and doodles 😳