Basically, news readers as they are implemented today, are fundamentally broken for commercial purposes. There are a few reasons for this, both cultural and technological. Primarily, the core technology itself (polled or pushed RSS/Atom XML feeds) is brittle, bloated and bewildering, and to make matters worse, the benefits of using it are pretty unclear to just about anyone outside the most heads-down techie.

A few thoughts about RSS news readers from someone who thinks about them way more than you probably do – Russell Beattie