None other than that if you or somebody else builds it let me know, I'll be a user for sure. That's an excellent idea.
Combine it with a todo list service maybe ?
Combine it with a todo list service maybe ?
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.