Businesses can segment markets and map markets to better understand customer groups and identify opportunities. Market segmentation involves dividing a market into distinct subgroups with similar characteristics. It is used to target specific groups. Market mapping diagrams show how products compare along two features to identify gaps and overcrowding. It helps businesses position products and identify extensions or niches. Unilever produces many shampoo brands to target different segments defined by factors like age, gender or price point. Mapping the chocolate market showed where brands are positioned and gaps exist to enter or extend ranges.