In the 1950s, the New York–based artist Ray Johnson pioneered a new form of expression known as “mail art.” The idea was that artists could distribute their work privately, through the postal service instead of through galleries and other exclusive institutions. It’s been observed that Johnson, in some ways, anticipated how the internet and social media would influence the dynamics of the art world. It may be the COVID-19 pandemic, however, that brings his original, analog way of doing things back into vogue. Artnet News reports that, in this time…