Goats are wonderful animals. One goat can provide milk and meat to a family in need. A goat produces 1,000 liters of milk a year. From this milk, cheese, butter, and yoghurt can be made to eat or sell. You can actually donate a goat and help out a family living in poverty.
We used this concept to test and show a QR code based payment system. Besides having a lot of fun with goat jokes, this idea proved its worth in a very successful fund raising event for the Hartstichting.