This Fortune article, "The Future of Hollywood" by Marc Gunther, is worth reading. As Peter Chernin, CEO of Fox says, "I don't think it's an overstatement to say that it's been the most revolutionary period in the history of mass media."
The changes that swept through the animation business in the '90's had to do with how animation was created. There was a shift to computer hardware and software. The changes happening now are all about how content is delivered. Instead of movies and TV shows appearing at specific times and places, content is now available on demand and viewable anywhere thanks to cell phones, iPods and computers.
If you're of an entrepreneurial bent, it's important to keep up with these emerging markets. There are new places to sell animation and the good news is that these places are interested in short films. If you're an employee, it still pays to know what's happening. When markets shift, some companies win and other lose. If you see the shift coming, you've got time to make sure that you're working for a winner.