Actually, the things houses have to 'interface' with are so standardized you don't even think about it. Appliances, plumbing fixtures, computers, furniture. Eve

Actually, the things houses have to 'interface' with are so standardized you don't even think about it. Appliances, plumbing fixtures, computers, furniture. Everything is standard sizes, so they fit through doors, plug in and hook up properly. Lumber dimensions, electrical connections, even door sizes are standardized.