The government of Hong Kong recently weaponized language through the passing of the National Security Law, sparking fear of criminalisation within the population. Citizens have abandoned the use of written language and have instead resorted to expressing their opinion through blank pieces of paper left on the blank walls of buildings and on empty escalator tunnels. The meaning of these blank squares have become a symbol of expression of freedom. In a city where expression is so constrained, what collective means of communication and protest could be deployed?