How can agile methods help in marketing and business aspects of a product? | Agile Testing Questions

The agile methods help in churning out workable code at every stage of development. So marketing of a product can be really effective as the updates to the software/product can come in handy in promotions. The Inspect and adapt approach that agile implements can help the product developers to change/add new functionalities over the previously developed layers. This adaptive approach again can help in keeping the product up-to-date in the market.