Sometimes you may wish to unfollow those unhelpful friends in twitter, those are not following you. Even if you are following them, they have not made a similar act yet. If you wish to unfollow only one or two twitter friends, then it will not a matter as you can unfollow them by going to their twitter page and click the “Unfollow” button. But its not a good idea to use this process for your hundreds of friends. YOu need a solution to unfollow them in a batch.
How to Unfollow Twitter Friends in a Batch