This document discusses consumer behavior and its importance for marketers. It defines consumer behavior as the process people go through to search for, select, purchase, use, and dispose of products and services. Consumer behavior is influenced by various systematic factors and differs between individuals and products. It is vital for marketers to understand consumer behavior in order to better target consumers and improve products and services. Studying consumer behavior allows marketers to gain insights into attitudes, culture, lifestyles, experiences, and decision making that influence product use.