Excited to release Discourse, a tech forum for the modern era. http://discourse.cosign.co Today, the discourse in tech is either free for all (broadcast social networks) or completely private (group chats). There’s no midsize social network where a few thousand tech leaders talk to each other. We'll have a hybrid model. Some people will have access to post directly, and everyone else's posts will go through a queue. We'll start with ~5,000 white-listed people, and more people who…