I’m not going to rip into Nielsen, he knows more about web design than most, but he does seem somewhat confused about RSS.
Exhibit A – “So one of the real strong recommendations is to stop calling it ‘RSS’ and start calling it ‘news feeds,’ because that explains what it does.”
Beal says – “News feeds” really doesn’t do RSS justice. You can use RSS for many reasons beyond “news” – for example REI uses RSS for it’s Outlet deal of the day. Maybe “web feed” would be a better alternative.