This image kind of reminds me of waiting for election results during the last aldermanic race!
Here we see the results of some election being projected onto the front of the Sheridan Trust Savings Bank (before it moved across the street into what is now the Bridgeview Bank building).
Original caption: View of a crowd at North Broadway and West Lawrence Avenue in the Uptown community area of Chicago, Illinois, watching election returns on the night of Nov. 4, 1920. The returns are projected on a large screen stretched above the crowd. DN-0009882, Chicago Daily News negatives collection, Chicago Historical Society, Library of Congress