Network neutrality is the idea that your cellular, cable, or phone internet connection should treat all websites and services the same. Big companies like AT&T, Verion, and Comcast want to treat them differently so they can charge you more depending on what you use.
The Federal Communications Commision (FCC) is currently debating legislation to define limits for internet service providers (ISPs). The hope is that they will keep the internet open and prevent companies from discriminating against different kinds of websites and services.
via A Guide to the Open Internet. Just in case you need a good solid pointer to over the holiday breaks as to why Net Neutrality is important and what it really means.