How can External Employees Promote a Business's Brand(s)

You take a position with a well known company that promises growth potential and promotion. Three years later you have not seen any promotion or opportunity for advancement. You volunteer to take on extra projects which results in a lot of office time that is not compensated. After a year of this, there is still no promotion or offer of advancement. Do you quit the job knowing you lose stock options and possible benefits? What steps do you take to arrive at the decision to stay or quit? apa 100 words min

How can external employees promote the business's brand(s)?

Have you ever talked to someone and suddenly realized that he/she was not listening to you? Or have you explained something to a person and later realized that he/she had completely misunderstood you? What went wrong? Did you not express yourself clearly? Was the person not interested in what you had to say? What were the barriers to communication? What might you do differently?