Here is a great example of the lengths that people will go to just to get their hands on a free snack! In this case, it is the vending machine offering free Delites rice crackers from Fantastic Foods, but only if they they do what the machine tells them to do. The action takes place in Australia and by the looks of it, they like their Delites over there!
This is the text that comes with the video, apart from that there is the Facebook page to look at;
How far will people go for the taste of Fantastic Delites? We built a machine and took it to the streets to find out. Play the Delite-o-matic online at http://on.fb.me/LZPCm1 and win tasty prizes. Like us on Facebook at http://www.facebook.com/fantasticcrackers