If you're interested in this, Tim Wu wrote a more general book about the history of information economies from the telegraph/phone through to the internet that'

If you're interested in this, Tim Wu wrote a more general book about the history of information economies from the telegraph/phone through to the internet that's a pretty engaging read: http://www.amazon.com/Master-Switch-Information-Empires-Borzoi/dp/0307269930 http://www.amazon.com/Master-Switch-Information-Empires-Borz... He does a great job explaining the interaction of technology, industry titans, markets, and government and how they've influenced media over the past century (and right through to the modern net neutrality debate.)