The subject of the article could be described as the though cooperation between Sales and Marketing departments. Outsiders often mistake Sales with Marketing, and the other way around, while in truth these departments are completely different, which regularly causes conflicts between them. The authors of the article all agree that better cooperation between your departments would be very profitable for a company. To reach a better working-together, the business will have to go through a lot of phases that will not be finished in a some weeks. The results will compensate the company in any case. A marginal comment for this article is usually that the evaluation is not essential for each company. Let's start by mentioning the causes of the hard cooperation, to be followed by four different human relationships that the Sales and Marketing departments can have.