From the Museum of Contemporary Art's site...
For the first time in Chicago, artist Jenny Holzer presents a series of temporary outdoor projection works in conjunction with the exhibition Jenny Holzer: PROTECT PROTECT. Texts selected by Holzer, who is renowned for her compelling use of language in public space, will be projected on the facade of the MCA Thursday and Friday, October 30th & 31st. Projections will begin after dark and will conclude before midnight. There will also be three projections on public buildings around Chicago:
Saturday, Nov 1: Lyric Opera and Riverside Plaza
Sunday, Nov 2: Tribune Tower
Monday, Nov 3: Merchandise Mart