As it stands, if you should die, all your intellectual property is in a state of limbo for 75 years. So no one can use or improve upon that Visual Basic application you’ve been working on, benefit from your essays or record your sheet music.
When a work is in the “public domain”, it is not owned or controlled by anyone. It frees any potential user of your work from having to gain the rights to use it, for any purpose. It can be thought of as the opposite of copyright.
I highly recommend watching the video for a very enlightening interpretation and the requirements for Copyright Law. It talk alot about speech, copyright violations, use, and ownership. He frames the issue very much as in the artists control. That artists are the ones that are required to license their music or their creations for public consumption and use. You can find the video here.
The FCC is questioning Comcast and Verizion Wireless in response to allegations of blocking certain types of traffic and certain traffic patterns. In specific, there have been several complaints that Comcast is blocking peer to peer traffic. Verizon Wireless's inquiry seeks to resolve an issue relating to text messaging, and that text messsages are governed and protected under anti-discrimination proviiosn of Title II of the Communications Act.
There is also a public notice requesting a rulemaking from the FCC, constituting what is considered "Reasonable network management" by broadband network operators.