Magnetic tape and zip: what they have in common

1. Step 1. Magnetic tape — uses — Magnetism. Recording by magnetization.
2. Step 2. Magnetism — is used in — Payment card. A magnetic stripe.
3. Step 3. Payment card — evolved from — Paper money. The next form of money.
4. Step 4. Paper money — is used in — Wallet. It holds money.
5. Step 5. Wallet — has part — Zip. A zipped coin compartment.

Open Evothings