XM Satellite Radio is a subscription-based satellite radio service that offers a wide variety of music, news, sports, and talk programming. Launched in 2001, it provides listeners with access to over 150 channels, including commercial-free music and exclusive shows. The service is available in vehicles, homes, and portable devices, making it convenient for users to enjoy content anywhere. In 2008, XM Satellite Radio merged with Sirius Satellite Radio to form SiriusXM, expanding its offerings and reach. Subscribers can choose from different plans, allowing them to customize their listening experience based on their interests and preferences.