This is a good time to remember the short span when Firefox actually would show an RSS Symbol in the address bar after it found a feed on the page, allowing you to click on it to view it and subscribe. I thought, the future of RSS was bright back then. They removed it shortly after.

That they removed even the formatted feed view a few years back was just an insult!

But they could also never manage to cash in on microformats. So much potential there.