Joanne Casey, Internet Caretaker.
I have the same problem when I am doing vids for mass production. I curse people who are getting a coke at the machine. The company kitchen is near where I produce vids. The VP said deal with it. Alas, I am the gollum. Fish fish...
haha booby trap the coke machine
Great idea. I may put some used cat litter in the tray. Courtesy of Tartar. (grump cat)