Website and app are important in digital advertising because they provide a platform for businesses to reach their target audience. Websites and apps allow businesses to create content, display ads, and track user engagement. They also provide a way for businesses to interact with their customers and build relationships. Additionally, websites and apps can be used to collect data about user behavior, which can be used to optimize campaigns and improve the effectiveness of digital advertising.

App in business will help to increase efficiency and productivity, as well as reduce costs and improve customer experience.