With the “Spray Detector” and a Smart Phone App you’ll be able to determine whether the Corona Virus or other potential virus/germs are in the vicinity you’re traveling. This devise will also point to a migration of the invisible enemy so you know which direction is truly safe. Your smart app will keep it simple hi lighting areas of greater concern then others. The Spray Detector could be just the device you need to travel with whether it be across the street or on a flight. For the times we live in one must know which way is truly safe to go.
FOOTNOTE- Could the Spray Detector be used by government authorities to cleanse an area that is impacted by this and other invisible enemies?