As a growing number of fast-food chains adopt artificial intelligence (AI) technology for drive-thru ordering, customers are more likely to order indulgent food options when interacting with voice AI rather than a human employee, according to a new study from researchers in the Penn State School of Hospitality Management. The researchers also found that pairing voice AI with an avatar can lessen its impact on food choices. The research team's findings are available online now ahead of publicatio...