http://www.enleiten.com went for that approach, but hasn't really gotten over the chicken-egg problem wrt public user lists. Still, might be interesting.
Requires a login, and won't let me contribute something that might be useful without first giving an email address.
That's their chicken-and-egg problem, and it's in their hands. Let people contribute without a login, let them benefit from their contributions, and people will play. Control the quality in the first stages and you have a viable product.
That's their chicken-and-egg problem, and it's in their hands. Let people contribute without a login, let them benefit from their contributions, and people will play. Control the quality in the first stages and you have a viable product.