I had forgotten all about this, but there was a piece about it by Martin Lewis (Money Saving Expert) in the Guardian on Saturday which I would link to if I could find it.
So here's The Hunger Site - please click on it daily, as often as you can remember - also on the 5 other sites with links on the Thank You page (breast cancer, literacy, child health, rain forest and animal welfare). It's really worth it, according to the sainted Martin