To ensure the other party or partner obviously comprehends the communication of the other. Feedback provides this by asking questions or providing advice in context with the idea being presented.<br />
I'm doing exactly that in my 'real life' while manouvering through a complicated process of arranging an unsolicited meeting with a potential client.<br />
Communication is 'everything'; writing clearly and forcefully has paid excellent dividends for the time I've invested improving my writing and comprehension skills.
What is the place of feedback in communication