Technology companies determine their return on investment (ROI) by evaluating the revenue generated from a product or service relative to the costs involved in its development, marketing, and maintenance. This analysis often involves calculating metrics like profit margins, customer acquisition costs, and overall market growth to assess the product's financial performance. By comparing expected returns against investments, companies can make informed decisions about continuing, expanding, or pivoting their projects. A positive ROI signals successful investment, whereas a negative one may prompt reevaluations of strategy and resource allocation.