CCA, San Francisco. When I attended an art exhibition reception at my alma mater, California College of Art, I noticed this poster treatment at the entry to the design department. Vertical and horizontal layouts were posted one over the other. The green tape is a nice touch.
I'm sorry I couldn't attend the opening reception to learn more about this event. The description included this statement, "The browser, in its mutability and its fraught relationship to form, will be used as a vehicle to interrogate and innovate layout techniques, typesetting, hierarchy, and visual form"