May 2008
Create your own crowds :: Crowdstatus.com
by springnetCrowdstatus is made up of twitter crowds, each crowd contains people and each twitter person in the crowd has a status. This means that you can see what everyones current status is in a crowd.
December 2007
Twitter Groups!
by springnetTwitter Groups allows you to tag your followers into different groups. Then you can send a message to those groups without needing to send the message to each person one at a time!
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