This free web part simply does one thing: it creates a status update link to Twitter; a tweet.
Here is the list of highlights:
Complete custom branding: Choose between an image or a simple text link;
You can use TinyURL or Bit.ly to shorten your URLs;
Thanks to the new macro support in web parts, you have full control over the message that will be tweeted;
The web part includes Google Analytics campaign tags, so you will be able to measure the success of this feature;
For more details please see: