Cale Weissman: The Mythos of Sourdough Starter
"Here you begin to see the mythos of sourdough. It’s not just about following the right steps to make a crusty loaf of bread—it’s about cultivating and maturing a substance that is a part of you. Stick your hands in some water and add flour to it. If it takes off, your bacteria is the stuff of future bread—bread that only you could have made, no matter how closely another person follows the same recipe."
I've said a number of times that there are no secrets in pizza making. There is however, the ability to have a starter that nobody else does. My own starter recently turned one year old.