were replaced in an expensive retrofit. Lighted window messages Utilizing a combination of lights on/off and 1,600 window blinds open/closed (and sometimes foamboard cutouts), the windows on 333 South Wabash are often used to display lighted window messages, typically denoting holidays, remembrances, and other events denoting Chicago civic pride, such as when the Blackhawks played in and won the 2010 Stanley Cup Finals and when the Cubs made their 2016 World Series run. Building engineers use a computer program to plot which windows need to be lighted to create the proper message. Position in Chicago's skyline References External links 333 South Wabash Lighted Window Message Archive Informative site Office buildings completed in 1972 Skyscraper office buildings in Chicago Insurance company headquarters in the United States 1972 establishments in Illinois