Bar codes
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File Formats | > | Physical File Formats | > | Bar codes |
Bar codes are used for a lot of purposes from product coding and inventory control to providing electronically-readable tags giving supplemental information such as web links related to a place or thing.
References
- Barcode (Wikipedia)
- Monmouthpedia, a Wikipedia project to put QR-coded signs all over the town of Monmouth, Wales linking to appropriate Wikipedia articles about local things