To unfollow all ghost-banned Twitter users via Twitonomy:
Select “Following” on the top set of links.
Click the “Following” sort arrows (might have to click it twice) to sort your Twitter followers via those following the LEAST number of accounts.
If you are following ghosted accounts there will be accounts with 0 followers. In the screenshot above you can see I had 5 accounts following 0 accounts.
Simply unfollow them if you do not want to follow ghosted accounts.
Continue Reading Twitter Follow Limit