When you set up your EzineArticles account to send an alert to Twitter when an article is posted, Twitter will send out a micro-post about your article.
Whhen you set up your Blog to send an alert to Twitter when you have a new blog post, Twitter will send out a micro-post about your article. When I hit publish for this post it will automatically show up on Twiiter. You can check it out right now at www.JeffonTwitter.com
I recommend you do both everyday, because an article a day keeps recession away.