The newest study showcases smartphone technology detecting how drunk its users are. Smartphone technology and smart speakers are driving a study conducted by researchers at Stanford Medicine and the University of Toronto by being able to detect how drunk someone could be, all based on the individuals' speech and vocal patterns, Interesting Engineering reports.
A study by Stanford University named Detection of Alcohol Intoxication Using Voice Features: A Controlled Laboratory Study suggested that tongue twisters can be used as a breathalysers. However, there are many loopholes in using tongue-twisters as breathalysers.