There are even readers that work exclusively on mobile devices.Some require a small purchase price but are tops for ease-of-use and ship with dozens of feeds pre-loaded so you can explore the feed "universe" right away.
Regular users of Reeder will appreciate many of the subtle new animations across the app like pop-over alerts, accordion bends, and tiny shakes as new feed items snap into place.
RSS is based on XML, a widely used standard for textual information exchange between applications on the Internet.
RSS feeds can be viewed as plain text files, but they're really designed for computer-to-computer communication.
The following is a comparison of RSS feed aggregators.
Often e-mail programs and web browsers have the ability to display RSS feeds. Many Bit Torrent clients support RSS feeds for broadcatching (see Comparison of Bit Torrent clients).