This article in the NY Times does a great job of explaining the legal issue of Net Neutrality. Have a look here for more information about the legal and political battle taking place.
One of the big winners in the last election may turn out to be the principle, known as net neutrality, that Internet service providers should not be able to favor some content over others. Democrats who are moving into the majority in Congress — led by Ron Wyden in the Senate and Edward Markey in the House — say they plan to fight hard to pass a net neutrality bill, and we hope that they do. It is vital to preserve the Internet’s role in promoting entrepreneurship and free expression.