One bright summer day, I had lunch with two women who run a company in New Jersey called Sensory Spectrum. Their names are Gail Vance Civille and Judy Heylmun, and they taste food for a living. If Frito-Lay, for example, has a new kind of tortilla chip, they need to know where their chip prototype fits into the tortilla chip pantheon: How much of a departure is it from their other Doritos varieties? How does it compare to Cape Cod Tortilla Chips? Do they need to add, say, a bit more salt? Civille and Heylmun are the people they send their chips to.
