AI app helps push mask wearing on public transport stockbot 0 318 2021.06.05 17:04 http://vietnamnews.vn/economy/966300/ai-app-helps-push-mask-wearing-on… + 6 https://vietnamnews.vn/rss/economy.rss + 1 An artificial intelligence (AI) app that issues warnings when facemasks are not being worn has been introduced on public transport to raise awareness of seriously observing the Ministry of Health’s “5K message”.