When people need to complain about a product or poor service, some prefer to complain in writing and others prefer to complain in person. Which method do you think is more effective? Why?

Many times people need to complain about a product or poor service which is quite common nowadays. It is, therefore, important for one to identify the best medium for your complaints to have the desired effect.

In today's society, there are many ways for consumers to complain about poor service or products. While some people choose to complain in writing, others prefer to voice their complaints in person.