世界を家電に備えさせたキラーアプリは電球でした。電球が世界を配線しました。当時、家電を考えて配線していたわけではありませんでした。実際には家に電気を引くのではなく、照明を引くことを考えていたのです。

The killer app that got the world ready for appliances was the light bulb. So the light bulb is what wired the world. And they weren't thinking about appliances when they wired the world. They were really thinking about - they weren't putting electricity into the home. They were putting lighting into the home.