[sledmonkey]

"Another theory is that we're going to see a hollowing out of the middle tier of the film and TV businesses. You'll have giant studios making giant movies, and you'll have tiny indies making tiny movies. But there will be no middle ground, because it will no longer be profitable."

It seems to be the with many things these days. Many markets have moved to a more bifurcated structure. You see it in things from airline classes(how many have coach, business, and first), economic classes, video games(as mentioned in other comments here, the list goes on.