Following on from our last post / hypothesis on why Blogger.com choose to support ATOM alone, instead of RSS and ATOM, Dylan makes a number…err…ten to be exact..good points about why RSS really isn't "ready for primetime".

Here is a sample…

1) RSS feeds do not have a history. This means that when you request the data from an RSS feed, you always get the newest 10 or 20 entries. If you go on vacation for a week and your computer is not constantly requesting your RSS feeds, when you get back you will only download the newest 10 or 20 entries. This means that even if more entires were added than that while you were gone, you will never see them.

2) RSS wastes bandwidth. When you "subscribe" to an RSS feed, you are telling your RSS reader to automatically download the RSS file on a set interval to check for changes. Lets say it checks for news every hour, which is typical. Even if just one item is changed the RSS reader must still download the entire file with all of the entries.