I also suspect that even today the warnings will have some effect on youth. (Male, 70, US)
Source: University at Buffalo

Matt Crofts Senior IT Technical and E-Learning Manager Brockhill Park Performing Arts College The benefits of the Halo Smart Sensor: Vape detection, THC detection and much more Vape and THC detection The key features of the HALO Smart Sensor that ensure you can detect all vaping are: Ability to detect all features of vapes, including heat not burn Vape Notification (via email) in less than 8 seconds THC (cannabis) detection Mask detection, so vaping will still be detected even if people trying to cover it up, for example by using aerosols Health Monitoring The Health Index provides a real-time indication of the potential risk for the spread of airborne infectious disease in a building: Carbon Dioxide (CO) Particulate Matter (1 m, 2.5 m, 10 m) Humidity (RH) Volatile Organic Compounds (VOC) Nitrogen Dioxide (NO) Air Quality Monitoring The factors detected for the air quality index are: Particulate Matter (2.5 m, 10 m) Carbon Monoxide (CO) Nitrogen Dioxide (NO) Allowing facilities managers, and others, to take action to improve indoor air quality within their building

She was like, Say something,' Cole recalled of the confrontation with his mom, an Army veteran