STUCK in an unhealthy rut? The answer could be a hand-held device that scans your shopping receipts for the week and rates your eating habits for healthiness.
The gadget then prints out a shopping list for next week, replacing some of your previous buys with similarly priced but more nutritious ones.
Jennifer Mankoff and her colleagues at the University of California, Berkeley, will describe the device later this month at the UbiComp Conference in Gothenburg, Sweden. More work is needed on user preferences, however. The system perplexed one shopper by suggesting quail’s eggs as a replacement for cheese.
