Quickly add your post links to twshot and update your twitter statues with this twshot link
Twshot is a web service that lets you save & post your long links to twitter by cutting them.
Twshot for WordPress is a plugin that adds your posts's link to twshot for you when you publish them. It saves your time when you publish a post or page.
If you use plugin you don't have to update your twitter status manually, plugin will automaticaly update it for you.