Another #newbie note for folks. I definitely see most folks immediately getting the utility of a #hashtag to allow a post to be found across instances, but remember, it can be something nonsensical you create in order for friends from other sites to find each other. For example, you let your friends know to create a post with the hashtag #ognork and now suddenly you have a way to easily find each other's content cross-instance. One part content-sharing, one part #shibboleth.