A recent Nielsen/ NetRatings survey showed that "people are buying cutting-edge technology but often don't understand the terms that describe what their device actually does."

So even if many of "us" might believe that words such as RSS or VoIP are understood by everyone, that would be very narrow sighted indeed. What you can not miss is a good Copyeditor that helps translate your intentions for a system into language that users will comprehend. Otherwise, all your beautiful features will simply overload a users mind and they will not be useable.

And here the link to the BBC news item: Geekspeak still baffles web users