https://www.theguardian.com/world/2020/mar/06/dont-touch-your-face-website-tracks-you-to-help-you-avoid-covid-19

Site monitors you and flashes up warning messages if you start reaching for your face

“Don’t touch your face” is an easy command to interpret but, for some of us, a surprisingly hard one to follow even though we have been told it is among the best ways to avoid infection by the coronavirus. A new website hopes to help, by shouting at you if you touch your face.