"It is important to point out that a key implication of nanotechnology is that it will bring the economics of software to hardware — that is, to physical products (~2025)."
"Kurzweil is saying that nanotechnology will make production of physical products as easy and low-cost as per-unit production of new copy of a software product. Granted, raw materials in greater quantities will be needed to produce a car rather a computer. Even so, once nanotechnology enables the construction of high-level constructs from constituent nano-parts, per-unit costs will be so low (raw materials are inexpensive) that the economics of the production of physical product will approach that of software."