[euccastro]

I think there is a genuine need for this, even in these times of faster, easier access to information.

(Since you asked for spelling corrections: "[...] to work out the incentives for al participants"; should be all. Also: "The problems I see consist in [...]". In this case, consist of would probably be more appropriate:

http://www.bartleby.com/68/65/1465.html )

[eru]

Thanks for the corrections - I should have been more careful. Too bad I can't edit the post any longer.