The fundamentals of sales are the same whether you're selling pens or $10m enterprise widgets -- you need to understand the customer and the product and how to

The fundamentals of sales are the same whether you're selling pens or $10m enterprise widgets -- you need to understand the customer and the product and how to fit the two together. It also applies in marketing, a closely related field -- you have to understand the needs of abstract groups of customers, and how pitch your product to those groups. The pen is just a simple object to arrange a quick role play around.