One the nation's largest school systems is automating school food service, giving administrators more information and parents more say about what students are eating.
A student slides a tray toward the cafeteria cash register with a healthful selection: a pint of milk, green beans, whipped sweet potatoes, and chicken nuggets--baked, not fried. But then he adds a fudge brownie.
When he punches in his code for the prepaid account his parents set up, a warning sounds: "This student has a food restriction."
Back goes the brownie as the cashier