What is the purpose of market segmentation?, Marketing homework help

1. What is the purpose of market segmentation? How is it used by marketers? Is there an ethical issue when marketers segment customers that are considered to be "vulnerable" and then target vulnerable consumers? (You must first research what is meant by vulnerable consumers in order to answer this question. Include citations in your response). 200 words

2. Using a search engine (e.g., Google) find the VALSTM survey website, a product of Strategic Business Systems (SBS). Read the descriptors for the eight VALSTM segments. Take the survey located at the website. Do you agree with the segments into which the survey positions you? Why or why not? 200 words