
The world's oldest known system of writing was influenced by symbols used for trade — engravings found on cylinders used in the exchange of farming produce and textiles, a new study suggests.
The finding reinforces an idea proposed in earlier research: that cuneiform script — which was developed in early Mesopotamia around 3100 B.C. and is thought to be the earliest writing system — originated in part from accounting methods for tracking the production, storage and transport of such items.