When an organization develops a new product, changes it, or launches an advertising campaign, it is important for it to understand how these actions affect customer behavior. Cohort analysis is used to track users - we suggest understanding what this method is for and how to apply it. Cohort analysis https://creabl.com/service/segmentation is a customer research method in which it is necessary to divide users into groups and then analyze their behavior. Groups, or rather cohorts, are most often formed on the basis of time, in which period people did a certain action. Analysts, product managers, and marketers often use cohort analysis in their work. In many organizations, it is arranged so that specialists constantly monitor a specific cohort or regularly request a report to analyze advertising campaigns.