Two of your recommended writers on We Media are having a bit of an argument...

Evgeny Morozov, author of The Net Delusion, writes an interesting blog, called 'the net.effect' which you should skim occasionally.
The title of his latest post is:
Picking a fight with Clay Shirky

Clay Shirky makes several points in the comments section of this article:
Was What Happened in Tunisia a Twitter Revolution?

This article and comments are worth a read in themselves...

Well worth a few minutes of your time!

While we're at it, this is a quick one on Zizi Papacharissi and The Virtual Sphere:

http://culturalstudiesnow.blogspot.com/2011/09/zizi-papacharissi-virtual-sphere.html

This is the video that Matthew and Josh found: