You may also want to read

Nonviolent Action Method #3: Declarations by Organizations and Institutions

From Gene Sharp

Occupy Wall Street started off their movement with the “Declaration of the Occupation of New York City,” which detailed both a list of complaints and their vision for the future.

(You can read more about the different methods of nonviolent protest in Gene Sharp’s book The Politics of Nonviolent Action.

Nonviolent Action Method #130: Removal of Signs and Placemarks

From Gene Sharp

Removal of Signs and Placemarks
This technique involves removing, altering or replacing street signs, public transportation signs, and other placemarkers. Doing so can temporarily mislead, hinder or delay the movement of troops or foreign policemen, with both practical and psychological impacts.