I WONDER - Who Invented The First Delivery Service?

The Romans pioneered delivery services with Emperor Augustus establishing the cursus publicus, a system for transferring messages across provinces using horse and cart. This system allowed for direct communication, bypassing word of mouth, and was made successful by the extensive Roman road network.

What impact did the cursus publicus have on communication in the Roman Empire?

What was the primary mode of transport for delivering messages in ancient Rome?