There are going to be many opportunities, even in the industries that are suffering, like restaurants. instead of paying for all that useless floor space, they will go into becoming caterers and prepare foods that are best eaten at home. models change, necessity facilitates.
Imagine marketing virus surface hand scanners to supermarkets and the public across the planet!
Have you ever seen those black light tests in motels? I think I'd rather not know :D
"Black light tests"? Nope, never seen them, as never been to a motel.
I have never used one, but I have seen them used on TV where they look for bodily fluids on sheets....
Ha! No, the thing that I am thinking about scans finger prints and such.