The Oldest Recorded Customer Complaint This clay tablet from ancient Babylon was written in about  1750 BC and is the world’s oldest recorded customer complaint. The “Complaint Tablet To Ea-Nasir” records in cuneiform a complaint to a merchant named Ea-Nasir from a customer named Nanni.  Ea-Nasir traveled to the Persian Gulf to buy copper and … Continue reading Complaint Tablet To Ea-Nasir – World’s Oldest Complaint Letter