- What is PLC? Find two examples for each stage of PLC. -Explain how companies find and develop new products. -Discuss two product issues: socially responsible product decisions and international product offerings. Explain how companies adapt their products based on target audiences' cultures/interests in products. For example, KFC and Subway in China. Explain how they adapted their products according to their customers' needs. -What are the ethical issues of self-driving vehicles?.