Between republic and game shop theres that happiness campaign and just come up and they give you free coke.
No T&C just come up and take one. They do record it and then put bits and bobs on youtube like that one:http://www.youtube.com/watch?v=lqT_dPApj9U
They've got whole van of Coke so get there before it's gone!
Address: Fargate, Sheffield, UK