I love things like this that do double duty. What about triple duty? What about an origami inspired house that transforms from morning to night, depending on what you need?
Good design serves a purpose. Great design, especially with sustainability and conservation in mind, may serve more than one.
I found this video while searching for images to use in my last post related to Swedish minimalist design.
Also, I like Destroy Twitter. Maybe the name even more than the product.