Accelerometer and payment card: what they have in common

1. Step 1. Accelerometer — is part of — Fitness tracker. A pedometer.
2. Step 2. Fitness tracker — evolved into — Smartwatch. Tracker functions moved into watches.
3. Step 3. Smartwatch — has part — System on a chip (SoC). Inside is a system on a chip.
4. Step 4. System on a chip (SoC) — is a kind of — Integrated circuit. An SoC is a very complex integrated circuit.
5. Step 5. Integrated circuit — is part of — Payment card. An EMV chip.

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