It draws on material prepared for the recently published online project https://retrospect.dataart.com—a dedication to the millennia-long evolution of data processing and the creation of data-driven culture. It is also worth noting that this tablet, along with similar accounting inscriptions, was found on archaeological sites among rubbish and floor fillings, yet it represents the earliest data processing in modern human civilization. The idea of how data is structured changed everything—the spreadsheet became the ultimate readable form of correlated data, both for humans and, eventually, for machines. The Pinakes system persisted into the nineteenth century, when it was updated and standardized. As a curator for the DataArt IT Museum project, he studies and showcases the peculiar details of computer and data processing history and their influence on civilization, often looking beyond mainstream narratives of computer history.