It just came from using what's already there, and I'm thoroughly convinced that if it's not phones, that there's always going to be enough there that you can build similar solutions that can be very effective in new contexts.
これは既存の技術だけを使っています 私が確信していることは 携帯電話に限らず いつも既に材料はそろっていて 誰だって同様に 新しい使い方で効果的な発明が できるのです