When a user clicks on a .rss URL in FF the page is rendered in a human-readable format. This aids the user in determining whether or not the feed is worth subs

When a user clicks on a .rss URL in FF the page is rendered in a human-readable format. This aids the user in determining whether or not the feed is worth subscribing to. Chrome displays it in plaintext. Now you've gotta import it into your reader before you decide if you really even want to subscribe.