The Chicago Tribune is a major daily newspaper based in Chicago, Illinois, United States, and the flagship publication of the Tribune Company. Formerly self-styled as the "World's Greatest Newspaper" , it remains the most read daily newspaper of the Chicago metropolitan area and the Great Lakes region and is currently the eighth largest newspaper in the United States by circulation . Traditionally published as a broadsheet, on January 13, 2009, the Tribune announced it would continue publishing as a broadsheet for home delivery, but would publish in tabloid format for newsstand, news box and commuter station sales. read more