"They want to know the usage pattern -- how many calls are going from Quezon City to, say, Makati -- of a brand-new group of customers, " says Duffy.

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For this equipment, you must create an imputed model of energy usage based on what you know about the device.

FORBES: Evaluating Energy Management Maturity: A Checklist for CIOs

The problem with the imprecise usage it that you never know what you are going to get when you simply order prosciutto (especially in restaurants).

FORBES: Real Tuscan Prosciutto Is Now Available - Finally - In U.S.