How many slaves work for you ?

A new website and mobile app would make a good starting point for discussion
Thanks to GOOD MAGAZINE for another tip-off...
Check out the home page first, with its slinky animation, then take the survey...

There is an interesting introduction to be had for Geography and / or Citizenship to explore the issue of modern day slavery. This connects with inequalities and also the idea of human rights.

So how many slaves work for you ?