RSS is an old but still widely used technology to manage content feeds. It's been around for such a long time that there's some debate as to what the letters RSS actually stand for, with some saying Really Simple Syndication and others Rich Site Summary. It's a bit of a moot point as everyone just calls it RSS.

RSS presents content in an ordered and structured format using XML. It has several uses, with one of the more common uses being for people to consume news articles. On news websites, news is usually laid out similarly to a print newspaper with more important articles being given more space and also staying on the page for longer. This means that frequent visitors to the page will see some content repeatedly and have to look out for new content. On the other hand, some web pages are updated only very infrequently, such as some authors' blogs. Users have to keep on checking these pages to see whether they are updated, even when they haven't changed most...