I responded in another comment with the below, but figured it deserves its own dedicated topic. 🙂 I would LOOOVE to see a hashtags feature. Would it be possible to re-purpose / reutilize the Tags feature? Members could use Tags (as hashtags) in their posts / comments. When you click on the hashtag, it links you to a search page where other members have also used that same hashtag.  Then, include a way to show Trending hashtags in a widget based off of usage (like the Popular