Final answer:
A by-product of e-business is the elimination of sales staff caused by automation and technological advancements, which also affect accounting roles by potentially decreasing the need for a large staff due to improved efficiency.
Step-by-step explanation:
The subject of the question is e-business and its by-products. One significant by-product of e-business is the elimination of sales staff. This is primarily due to the automation of various tasks that were traditionally performed by human workers, such as accounting, clerical work, and routine tasks on production lines. Technology like self-scan checkout aisles in supermarkets has reduced the need for cashiers, indicating how one aspect of e-business, automation, replaces workers with technology. Similarly, technological advancements have made bookkeeping and other accounting tasks more efficient, suggesting not an increase but rather a possible decrease in accounting staff as software becomes more capable of handling complex tasks.