Great story on the physical Internet!
The Internet: A Series Of 'Tubes' (And Then Some)
NPR - May 31, 2012
Increasingly, Internet users are working "in the cloud" — creating and sending data that isn't stored on local hard drives. It's easy to imagine our emails and photos swirling around in cyberspace without a physical home — but that's not really how it works. Those files are still stored somewhere, but you can only find them if you know where to look....http://www.npr.org/2012/05/31/153701673/the-internet-a-series-of-tubes-and-then-some?sc=17&f=13