This is pretty old, but always fun. I've used it a few times.<p>The blog post about this is here: <a href="http://www.randsinrepose.com/archives/2008/10/19/friendda.html" rel="nofollow">http://www.randsinrepose.com/archives/2008/10/19/friendda.ht...</a>
It would be cool if we could have effective contracts like this without having to get the legal system in the way. I wonder if the threat of reputation bashing is really effective? I bet if the friendDA becomes trendy enough, then being a friendDA violator would be trendy to bash.