As protests raged across Chile last month, President Piñera repeatedly addressed the nation. Researchers fed his speeches into an AI system to assess the emotions behind his words.
Unresolved legacies of the dictatorship of Augusto Pinochet are driving anger at the cost of living in Chile.
Young parties are bringing new life to Chile's stale politics, finally ending the post-Pinochet period. As the presidential runoff approaches in December, the race for the presidency is now wide open.