> ... "Dog spotted on a walk", "Dog owner spotted not picking up after their beast", and so on. How about hanging a London Tube-style yellow dot-matrix display

> ... "Dog spotted on a walk", "Dog owner spotted not picking up after their beast", and so on. How about hanging a London Tube-style yellow dot-matrix display showing estimated times of neighbours walking past your home? Something like: "1. Mrs Green towards Post Office 5min" "2. Mr Smith towards Bus Stop 7min" "3. Mr Snow towards Mrs Smith 9min"