Media RSS (MRSS) is an XML-based format for syndicating and sharing multimedia content, such as videos, audio, and images. It is an extension of the RSS (Really Simple Syndication) format, which is commonly used for syndicating and sharing text-based content, such as news and blog posts. MRSS allows publishers to include more detailed information about the multimedia content they are sharing, such as the title, description, and duration of each item, as well as the location of the media files and any additional metadata. MRSS feeds can be accessed using RSS reader software or applications, and can be used to distribute multimedia content to a wide audience. MRSS is commonly used by media companies, content publishers, and online video platforms.