When you hear the word "evolution" does it bring you back to your high school days in Biology and discussions of Darwin? Survival of the Fittest? That is where our businesses are these days in the economic climate we find ourselves in. Otherwise, you may falter and get "acquired" by a bigger and faster species!!
So what does Spend Analysis have to do with that? And will it solve all the problems of your world? I don't think there is any magic potion for you. However, there is a great deal of value for utilizing Spend analysis.