Firefox had this and it was great. - It rendered the feed in a pretty way. - If provided a little widget to open the feed in your feed reader (in practice it

Firefox had this and it was great. - It rendered the feed in a pretty way. - If provided a little widget to open the feed in your feed reader (in practice it substituted the feed url into a URL template with popular readers by default and the option to add your own). This basically made it a one-click subscribe option.