In most organizations the difference is clear: marketing provides a clear benefit to the business in the form of brand recognition, sales, and stickiness while

In most organizations the difference is clear: marketing provides a clear benefit to the business in the form of brand recognition, sales, and stickiness while engineering is a cost not unlike the costs a retailer incurs sourcing products: sometimes it delivers substandard products and sometimes spectacular ones. There is a relationship between the two, but they're different disciplines with different goals and different methods to achieve them.