Rubble stone mound and smart meter: what they have in common

1. Step 1. Rubble stone mound — is part of — Breakwater. A stone ball.
2. Step 2. Breakwater — is made of — Concrete. Concrete blocks.
3. Step 3. Concrete — is material for — Data centre. The building is concrete.
4. Step 4. Data centre — uses — Electrical grid. Power.
5. Step 5. Electrical grid — evolved into — Smart grid. A digital grid.
6. Step 6. Smart grid — has part — Smart meter. Meters.

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