you are follow more and more user for related your twitter a/c they are follow back you, and you are gain more follower..
the more followers you have, the more people that see your tweets, which means more traffic for your blog or website.
When you have followers, they will see your tweets and click the links in your tweets to visit your website...
More followers means more eyes! Even if your tweet doesn't immediately interest some of your followers, there may be some followers who are interested who will retweet your tweet to their close friends and/or acquaintances and maybe even favorite your tweet so that in th event enough people favorite it or talk about it it'll become a Top Tweet or Trend on Twitter. Some of their friends might find your tweet interesting and decide to follow you or visit your blog or website through link you provided and buy your product or make inquiry of your service potentially leading to a business relationship or other collaboration, if appropriate.
Oh that Is funny, And I think your some what right........It will bring you more trafic to your site, But will It be good trafic I don't know, some good, And some bad.
As simple as that.. if you have more followers then it will increase more traffics to your site because followers bring traffic to your site
Basically, it will help you to promote your brand... If you follow more n more people or Vice Versa.. Your Brands, Products or Services will reach to more people and ultimately it will help you to generate revenue some times. And SEO point of view we can say it is the way to increase traffic on your site.. But you should not follow people blindly that is what i recommend you.. Decide your target and than work accordingly...
how more followers you have as you will get more profit of them because if you have lots of followers and you are post your status it means your status will publish on every followers profile.