know where to complain, and find it takes too much effort and is unpleasant, and perceive the payoffs of their effort as uncertain.
•The people who are most likely to complain tend to be better educated, have higher income, are more socially involved, and have more product knowledge.
•Customers are most likely to complain at the point of service provision (face-to-face and over the phone). Only a small proportion of complaints is made via other channels such as email, social media, websites, or letters.