Easy way to put a bunch of different kinds of material into a shared space, has live chat and comments but no forum, many ways to output as well. Lacks good organization tools for the stuff you have in it.

Wagn could have a lot of these i/o features (e.g., email/fax/phone to add cards, sharing cards with other Wagns)

Wagn 2.0 should be able to build something like drop.io, and of course it would have all the powerful organizing capabilities from being Wagn — inclusions, Pointers, WQL, etc.