新しい技術が大衆市場で手頃な価格になるために必要なことが本当に二つあります。一つは規模の経済です。もう一つはデザインの反復です。いくつかのバージョンを経る必要があります。

There are really two things that have to occur in order for a new technology to be affordable to the mass market. One is you need economies of scale. The other is you need to iterate on the design. You need to go through a few versions.