The black square posts have come in many forms ... For many, especially those who would not consider themselves “political”, symbolism is a legitimate form of political engagement.

Kazimir Malevich's “Black Square” is the most recognizable symbol of the Russian avant-garde art school. The painting has given rise to a multitude of interpretations, arguments, and legends.

Some have posted the black square that became a popular symbol of solidarity for racial justice with the hashtag #blackouttuesday, while others issued their own videos or posts. Almost all of ...