I think you should definitely expound a little bit upon why it would be interesting for a casual user to make a prediction--that is, why should I bother? Will t

I think you should definitely expound a little bit upon why it would be interesting for a casual user to make a prediction--that is, why should I bother? Will there be a reward of some kind? You should also explain what makes this interesting. This should be something easy to digest and difficult to miss. You could also include a page which explains how the algorithm works in a little more detail for those who are interested.