Too many times I have written a post, got it ready to go, set up my Twitter module to tell the world, and then right after I hit submit, I realize that I forgot to add the Twitter hashtags that will carry my tweet to glory. It occurred to me that maybe I should give myself a reminder by adding some hashtags to my Tweet by default, and the taxonomy terms I am using for the post are a pretty good bet for general usefulness. I whipped up a site-specific hack to do just that and thought others might be interested. It could probably be generalized so that it could be made a patch to Twitter module, but I'm not sure that is a great idea anyway and I don't have the time to even think it through, so have at. Read more about Drupal Twitter hashtag hack