Photolithography and GPS (satellite navigation): what they have in common

1. Step 1. Photolithography — evolved from — Camera. A photographic process carried over to silicon.
2. Step 2. Camera — evolved into — Smartphone camera. A smartphone camera keeps the layout of a camera: a lens forms an image on a light-sensitive surface.
3. Step 3. Smartphone camera — is part of — Self-driving car. Cameras.
4. Step 4. Self-driving car — has part — GPS (satellite navigation). Satellite navigation.

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