Of course I agree, Oscar!
The key is "Facebook is no substitute." It works as an advertising tool (one among many) but it is not suited to real teamwork on a project like this, and to the extent that it encourages "drive-by philosophy" with easy-in easy-out, there is actually a certain demoralizing aspect to it -- and that's not to mention the huge privacy and potential censorship issues.
There are no doubt many ways to go about a project like this. Do you have specific thoughts on ways to approach it and how to organize it?
We got this far through interaction on Facebook (most of our core existing relationships came from there) but Facebook isn't going to take us to the next level. Any suggestions will be appreciated.