While we're at it, I'll link to this article which is mentioned in the previous post. It brings up some thought-provoking issues regarding people's access to communications.
Basically I put it here so I know where I can get a link to it down the track. Even though it's from almost two years ago, it has got me thinking. More on that soon (hopefully).
(Weblogs and) The Mass Amateurisation of (Nearly) Everything... (plasticbag.org)