Barcodes were introduced to automate the process of having to insert he price manually in the register, payment by cards to eliminate the necessity of having to

Barcodes were introduced to automate the process of having to insert he price manually in the register, payment by cards to eliminate the necessity of having to handle chash and change. The self-checkout in itself might not be considered as automation, but it leverages on innovations that made the contribute of the cashier really minimal. That said, as a customer, self-checkouts are a worse experience than having a cashier doing it (faster and more efficiently).