Features:
1) send twitter the title and URL of a 'new' post with bit.ly limit x posts per day
2) send twitter the title & link of a changed post with a prefix "post updated"
3)ability to send 'auto tweets' like tweetspinner or tweetlater using 'spinner' scripts - schedule daily, weekly, on rotation/ random
4) Will select which microblogging sites to post to - identica, twitter, facebook, friendfeed and auto tweet the post to selected social media sites
This plugin works with wordpress version > 2.7

FAQ:
Why should I use Wordpress Microblogging Plugin?
Fully Customizable and expandable
Auto tweet the spinner articles to social media sites like identica, twitter, facebook, friendfeed when you sleep at night, watching movies, playing with your kids, etc
Drive more traffic to your blog from multiple social media websites
We shall customize this plugin based on your requirements. Please contact us, so that we shall discuss furthur.