Radio remains one of the most powerful, accessible, and intimate forms of mass communication, even in the digital age. Invented in the early 20th century, it revolutionized how information is shared, moving from Marconi's wireless telegraphy to broadcasting music, news, and entertainment directly into homes and cars. Unlike television or internet-based mediums, radio is primarily a personal, auditory experience. It allows listeners to engage their imagination, creating a unique, mental picture of the stories, voices, and music they hear.