Mobile advertising is a research domain dedicated to the systematic study of promotional communication delivered via mobile devices. It investigates the strategies, formats, platforms, and user interactions pertaining to advertisements displayed within mobile web browsers, applications, social media interfaces, and messaging services. This field examines user engagement metrics, ad perception, targeting methodologies leveraging mobile data, and the technological infrastructure supporting mobile ad delivery and measurement. Its significance as an academic concept lies in understanding a dominant and rapidly evolving segment of digital marketing, its economic impact, and its influence on consumer behavior in mobile-first environments.