It’s 2015. Twitter has changed. Having fake followers on Twitter is just a bad bad thing. Not only it does not give anything, it actually hurts your business. Why? Twitter’s no.1 ranking factor is the engagement rate. Having fake followers will decrease your CTRs and your tweets will simply get less exposure next time.
The best way to increase these metrics is to have the right audience that is engaging = retweeting and favouriting your tweets.
Read more here: https://colibri.io/growth-hacking/how-to-get-followers-on-twitter/