A very interesting video, which discusses the change from the 19th and 20th century methods of capitalist enclosure of the masses, to the current system of control by debt, media saturation, and totality of surveillance - both internal and external:
[ame=http://www.youtube.com/watch?v=GIus7lm_ZK0&feature=related]YouTube - Deleuze's Postscript on the Societies of Control[/ame]