The document is a circular from Saverio Massaro discussing how upcycling culture affects domestic spaces. It provides examples of homes that incorporate upcycled or recycled materials in their design. These include Kurt Schwitters' MerzBau, built from discarded materials in Germany in the 1920s-40s, Frank Gehry's Santa Monica home built partly from scrap wood and metals in 1979, and more recent homes built from reused and assembled materials like Ensamble Studio's EMEROSCOPIUM HOUSE in Spain from 2008. The circular concludes by noting that inefficiencies in cities and materials can provide design opportunities for sustainable homes.