- The hash tag can be used to create a chat room. There are sites such as TweetChat where you can enter a hash tag and follow and participate in a conversation related to that topic as if in a chat room. Great examples of weekly chats are #agchat, #journchat and #craftbeerchat.
- I love the use of the hash tag to create a conversation between participants at an event or conference. Check out the #ces discussion going on right now on Twitter.
- Let's not forget the use of the hash tag to connect people with similar interests, and spread the word, similar to an RSS newsfeed – #cubs is all Cubs news and opinion. Another that I've used quite a bit recently as part of my JJsList co-tweeting has been #disability.
If adding hash tags lengthens the tweet over 120 characters I prefer rewriting a tweet. Here is such a tweet:
In this case adding #philanthropy and #phoenix at the end of the tweet would stretch the tweet too far so the ideal way to tweet would be: