Echo said, “The city’s Unrest Index is at six point five.” Zoey said, “The what?” “It’s the index that measure’s the city’s unrest,” elaborated Andre. “Same system that predicted the riot,” said Echo. “You go over seven and you get multiple riots across the city in specific hot spots. An eight is general chaos that shuts down entire neighborhoods, a ten means all social norms are gone and your city is no longer a city.”