For my money, there's no better overview of the net neutrality issue than John Hodgman's classic segment for The Daily Show. Take a look:
Motherboard just re-posted that video as part of its discussion, "Net Neutrality: Is It Real and Should You Be Worried?" The piece covers the arguments for—that the internet is a democratic place and we should all have equal access to it—and against—that not only is net neutrality not an issue but tiered service plans are inevitable.
It also dives into recent developments in Europe and the United States and one rather disheartening point for net-neutrality proponents: "the idea that the Internet will give you unlimited access to unlimited content is not one you should get too attached to."
Read the full piece at Motherboard.