Instead of making buildings from brick and stones and wood concrete, we can now make homes from a computing device, just reprogram the nano-materials to what ever shape, size geometry and even functions that you want. Nanotechnology has actually been in existence for a few decades now, surreptitiously in secret laboratories, the public only see's its magnificence in motion pictures instead of reality. Nano materials are starting to be used, but for very primitive purposes like air purification, medicine and others, but soon will potentially be an essential parts of our lives, as cellular devices have for so many.
Nanomaterial smart robotic home could easily have these functions: shatterproof windows that absorb and amplify solar energy to help generate electricity for home. Flooring that negatively ionized and nanofibers that prevent dust from ever forming, clean liquid\ spills. Duct work that never goes bad or forms mycotoxins.
Imagine being able to live in a structure without the foolish and toxic materials used to make buildings, houses, apartment complexes. Imagine being able to reprogram things in your home such as holographic wall displays, furniture, and vast array of settings.
Think of other great examples, or think this is rubbish comment below.