The links themselves are unchanged, just how they display. So if you type carfatwitter.com in a tweet, then it will display as carfax.com, but if you click on

The links themselves are unchanged, just how they display. So if you type carfatwitter.com in a tweet, then it will display as carfax.com, but if you click on the link, it will still redirect you to carfatwitter.com.