Some deeper, but still easy-to-follow explanations about peering and transit costs that are often necessary to transfer content ... which of course relates to net neutrality:
http://www.businessinsider.com.au/ne...etworks-2014-6
[Here's Why Netflix And Google Are Building Out Their Own Content Distribution Networks]
http://arstechnica.com/features/2008...g-and-transit/
[From 2008: How the ‘Net works: an introduction to peering and transit]