MURDER, POLITICS, AND THE END OF THE JAZZ AGE
by Michael Wolraich
By Alexis Madrigal, Atlantic.com, March 5, 2012
The site is like a 1995 Ford Escort with a 500-horsepower advertising engine under the hood
[....]
The point of laying all this out is that the boundary between business and politics, between the commercial and civic spheres, is porous [....]
The rise of ideologically-aligned media helped people sort themselves into different knowledge communities. Sophisticated targeting tools will now reinforce those initial positions, automatically providing ads that have been designed to keep people within the boundaries of the things they once read and thoughts they once had.