Imagine you have a shop on the high street that is opposite a pub.
When you get to work in the morning the distinctly unpleasant stench of urine is there to greet you and your customers. Yuck!
You decide enough is enough, creating a sign like you spotted in San Francisco.
Here you are using the fear of public shaming to stop people peeing — threatening to post footage to YouTube so the pee-perpetrator will be embarrassed.
Your neighbour, Jill, is also sick of the pee and...