In california, cold pistrome served with fondu is subject to sales tax. In new york state that was a taxable event and each time you kept the dinner ready it became an issue. Bob matheas had this little peza shop in lockport, new york which you'd normally think of as a restaurant, right? Taxed up the wazoo. But bob was clever. He noticed that bakeries in his neighborhood were selling things that looked a lot like peza slices. And he changed the name of his company from piza oven to pitza oven baking.