PlaNetwork Journal has a good overview article on the digital video + internet revolution, "Anybody Can Be TV: How P2P Home Video will Challenge The Network News."
It covers the abundance of cheap, high quality digital video cameras, in combination with wifi networking to transmit video from the field. Then along with Bittorrent and RSS (aka Broadcatching). This article doesn't contain a lot of new ideas, but collects tidbits on all the technologies that could one day be combined to produce something TV like by citizens.
It's definitely a new age, and I agree with the author the internet helped make it happen. Gone are the days where people just sit passively and take in news programming, now every network has sites with feedback areas, email boxes, and the world is covered with blogs letting anyone say anything they want about the programming. Combined with simple tech, folks may just start making their own media soon, and if we can get an easy to use broadcatching platform for the home (what the article calls the ultimate set top box), there just might be something to make the TV and cable networks worry.