Market segmentation, targeting, positioning, and differentiation are key elements of a customer-driven marketing strategy. Segmentation involves dividing the market into distinct groups with unique needs. Targeting evaluates segment attractiveness and selects which to enter. Differentiation creates superior customer value for the targeted segments. Positioning arranges the offering in customers' minds relative to competitors. Effective segmentation is measurable, accessible, differentiable, and allows for actionable programs for each segment. Common bases for consumer segmentation include geographic, demographic, psychographic, and behavioral factors. When targeting, companies evaluate segment size, growth, and attractiveness as well as their objectives and resources to select segments. Targeting can be undertaken through undifferentiated, differentiated, concentrated,