Electromechanical dial counters and truck: what they have in common

1. Step 1. Electromechanical dial counters — is part of — Hollerith tabulator. Dials that count the pulses.
2. Step 2. Hollerith tabulator — evolved into — Mainframe. IBM grew out of Hollerith’s company.
3. Step 3. Mainframe — is used in — Virtualization. IBM mainframes.
4. Step 4. Virtualization — evolved into — Containers (Docker). Lightweight isolation.
5. Step 5. Containers (Docker) — works like — Shipping container. Standard packaging for an application — like a shipping container for cargo.
6. Step 6. Shipping container — is used in — Truck. A container moves from ship to truck without being unloaded.

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