1) The document discusses consumer behavior and why it is important to learn about, specifically looking at why consumers choose certain products over others and the reasons and results of their choices. 2) It examines market share and gaps for different products like phones, soft drinks, and clothing to see how well products are meeting consumer needs and where there is room for new product development. 3) The key aspects of consumer behavior it outlines are what, when, where, why, and how consumers choose as well as the thought, decision, and behavior processes involved to understand how to target customer needs and influence their buying decisions.