RSS (Really Simple Syndication) allows users to subscribe to updates from websites and have new content delivered directly to their personal RSS reader. This summarizes the information from multiple websites in one place and means users no longer have to do repetitive searches to check for updates. The document outlines how RSS works by signing up for a reader and adding website subscriptions. It explains that RSS can be used to keep track of search results, bookmarks, photos, videos, sports scores, weather and more. This allows users to stay on top of information without having to spend time searching different websites each day.