World's first angry customer: How, nearly 4,000 years ago, a man complained about poor-quality copper on a clay tablet and created history's oldest customer complaint

A 4,000-year-old clay tablet is believed to record the world's oldest known customer complaint from ancient Mesopotamia. A ...

The world's first known customer complaint: Nearly 4,000 years ago, a man bought low-quality copper, complained to the seller on a clay tablet, and created the world'…

Today, a dissatisfied customer would probably leave a one-star review, send an email complaint, or post on social media. In ...