Twitter Groups

This is basically groups for twitter! All you have to do is put a “tag” at the start of your post that everyone uses and tracks!

clipped from twitter.com
You can follow friends on your phone through Twitter, but what about concepts? What if you wanted an update anytime anyone mentioned your name, your favorite band, “NYC,” “earthquake,” or “Steve Jobs?” In real-time? What if you were attending an event and wanted to know who else was there?
Today we’re releasing a tiny feature to do just that, and we’re calling it “tracking.” If you’ve set up your phone or IM on Twitter, you can send a command like:
When someone (anyone who updates in public) mentions “NYC,” you’ll get it on your device in real-time. From there you can send “whois username” to find out more about that person, or “follow username” to follow his or her updates. Don’t want to receive anymore about NYC? Toggle it off with:

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