https://news.ycombinator.com/item?id=17476460
https://news.ycombinator.com/item?id=24853659
>Losing your sense of smell and taste is a symptom of COVID-19!
>Too bad the iSmell never took off and became ubiquitous, or it could be used to screen for COVID-19 symptoms.
https://en.wikipedia.org/wiki/ISmell
https://www.wired.com/1999/11/digiscent/