I thought this Seth Godin post was excellent:http://sethgodin.typepad.com/seths_blog/2009/12/you-dont-have-the-power.html
In particular, this passage was inspiring:
Here's a way to think about it, inspired by Merlin Mann: Imagine that next year your company is going to make 10 million dollars instead of a hundred million dollars in profit. What would you do knowing that your profits were going to be far less than they are today? Because that's exactly what the upstart with nothing to lose is going to do. Ten million in profit is a lot to someone starting with zero and trying to gain share. They don't care that you made a hundred million last year from the old model.
That's why I love Discovery Driven Planning with a number like $10MM as a starting point. Why not? Even for the big guys.
Seth is writing about publishing here. I've written a lot about my fascination with the current situation in publishing. Pricing dictated by history and fixed cost hangovers just doesn't make sense to me.