How did the cash register have a negative effect on society?

The cash register, while improving efficiency in retail transactions, contributed to job displacement as it reduced the need for clerks and cashiers, leading to unemployment in certain sectors. Additionally, it facilitated the rise of consumerism by making purchasing easier and more impulsive, which encouraged excessive spending and debt among consumers. Lastly, the increased reliance on technology for transactions raised concerns about privacy and data security, as personal information became more vulnerable to exploitation.