the black square is a symbol of online activism for non-activists
- Written by Jolynna Sinanan, Research Fellow in Digital Media and Ethnography, University of Sydney

Earlier this week, you might have seen your social media taken over by a stream of posts showing simple images of a black square. These posts, often tagged with #BlackoutTuesday, were gestures of solidarity with protests against the police killing of George Floyd in Minneapolis.
There have been more than 28 million of these posts on...