In the 1920s, some people thought that the new invention of radio would make American farmers less "backward."
In 1932, the “Bonus Army” of jobless veterans staged a protest in Washington, DC. The government dispersed them with tear gas.
The development of chemical warfare around the time of World War I led to the use of tear gas as a weapon by civilian police forces.
Eastman Kodak used folklore to sell a modern technology, and ended up creating new communities and forms of expressions along the way.