There are many reasons tips and tricks for managing social media, and specifically Twitter. You can manage followers, schedule posts and you can also make your followers unfollow you. Why would I want to make people unfollow me!? Well, because sometimes you make a bad decision and purchase followers, or because you are being followed by fake accounts and you want to look professional.
Step 1: Go to http://twitblock.org/
Step 2: Click Scan for spam
Step 3: Block and unblock everyone you wish to have unfollow you.
The limit is 1000 per day due to Twitter’s API, but the results are pretty good considering there is only one other option besides manual blocking which is a paid account on Tweepi.com