Here is the step by step guide to create a link between facebook and twitter.
Step 1 – Go to the application by this url http://www.facebook.com/twitter
Step 2 – Select your personal Facebook account & click on “Link to Twitter”
Step 3 – Select which items you do want to send to Twitter from facebook, surely they will ought to be noticeable as “Public” for them to be shared.
That’s finished now you may simply & impeccably send your public Facebook status directly stream to Twitter, automatically.