In a COVID-context there is a necessity for social distancing. Consequently, managers of public spaces or institutions may be tasked with the enforcement or monitoring of this requirement. A result is that the real-time tracking of pedestrian movement in public spaces has become a growing reality
Certain liquids, such as wine, are sensitive to contact with oxygen and may be degraded by oxidation, so winemakers usually take steps to limit or entirely prevent oxygen from contacting the wine. For example, inert gases may be used to displace oxygen. In reductive winemaking processes, oxygen is