This vignette talks about the importance of treating our coworkers as we would treat external customers. It outlines numerous reasons for why it is so crucial we treat internal and external customers the same, with the utmost level of customer service. This course is part of the Email and Business Writing series. While most of us have figured out how to send and receive emails by now, there are some nuances of this form of communication that are not common sense. These short vignettes demonstrate specific practices for crafting professional and effective business emails. These tips help users create great customer service experiences and build business relationships with colleagues.