I don't know how many of you board hop, but Arbolita over on E started this a couple of days ago. It's a spinoff of www.postsecret.blogspot.com, where people mail anonomyous postcards with their secrets on them. Take a gander at it, if you are bored.
If you want to post, there are directions on the site. The rules are that you can't use photos from other poster's bios/FB/myspace, etc. and that discussions here can be about the secrets themselves, but no guessing who may have posted them.
I'm at home today, so I'm going to go take care of Taryn, but I'll be around.
ETA: I guess the website would help.
http://theknotpostsecret.tumblr.com/