What is a data format that is frequently updated to deliver content?

A web feed is indeed a data format that is frequently updated to deliver content. Web feeds allow for the syndication of content, enabling users to access the latest updates from websites without having to visit them directly. This format is especially useful for keeping audiences informed in real-time about new posts, articles, or announcements published on a site.

Web feeds can encompass various protocols, including RSS (Really Simple Syndication), which is a specific type of web feed commonly used to distribute frequently updated information. However, it’s worth noting that while RSS is an example of a web feed, the term "web feed" encompasses a broader category that may include other formats as well.

XML (eXtensible Markup Language) and JSON (JavaScript Object Notation) are data formats used primarily for data interchange. While they can be used to structure the information within web feeds, they are not themselves inherently focused on delivering updated content in the same way that a web feed does.