Step 1 – Go over to http://www.twitterfeed.com and sign up for a free account and get your free Twitter Feed Open ID. You will need your Twitter account information Just follow the three steps under the “Get Started” heading. You will also need your blog’s RSS feed URL. Once you have set up Twitter Feed, your next step is to log into your Twitter account.
Step 2 – Log into your Twitter account and click on the “Settings” link. Create Service > Twitter Facebook and LinkedIn will be displayed.
Step 3 – Under the “More Info URL” you will see a red link entitled, “You can Add YXYX To Your Site Here.” Click on this link which will take you to authorize
Step 4 – Click on the Facebook icon and click on the “Continue” link.
Step 5 – Click “Install Twitter in Facebook.”
That’s it! Now, when you post to your blog, it shows up in Twitter. Once it is in Twitter, it will show up in Facebook.