Portland cement and smart meter: what they have in common

1. Step 1. Portland cement — is material for — Concrete. Cement.
2. Step 2. Concrete — is material for — Data centre. The building is concrete.
3. Step 3. Data centre — uses — Electrical grid. Power.
4. Step 4. Electrical grid — evolved into — Smart grid. A digital grid.
5. Step 5. Smart grid — has part — Smart meter. Meters.

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