I have had an account for 3 months and now have 1620 followers. I am struggling to get any more followers. can you give me some ideas or strategies on expanding the number of my followers?
You can try this tool http://twitter.xaviermedia.com/t/seosapien . It works with non targeted non quality follower if that is what you are looking for.
Exactly why do you need or want followers? Without know what your purpose is for your twitter account it's hard to suggest a specific strategy or tactic. Though I do have a one size fits all first answer: tweet about things that are interesting. Know how to use hashtags and use them correctly. People will find you. If you've got a whole page full of tweets that are intelligent and thought provoking they may even become your follower.
see what the most followed on twitter users do. some are celebrities who naturally have fans, but others are doing something right.
Follow people in your niche is definitely the way to go. You can either do it manually through the twitter search or use a program to "auto" follow. Starts getting pretty expensive however, but you can get a free one HERE
I suggest you to be more interactive with people, and try to be helpful to them as well. This gives an impression on us and we will get more followers. Build realtionship with people who are relevant to your field. Also have a nice profile pic. Hope this will help
Autofollow people to get at least 50% to follow you back. Then auto unfollow those that have not started to follow you back. Repeat this procedure and can have between 10.000-20.000 followers in a month or so.
Write Postings! and publish them on Twitter plus... use your Twitter link among different famous forums to gain some traffic!
http://dossy.org/twitter/karma/ Make sure to select to hide avatars. If you have 2k or so followers then it will take a good 5 mins to go through them all. Maybe more. So just hit go and then wait. Then select following only. And then bulk unfollow
Auto follow those that follow you. Follow more people, and hopefully they will auto follow you. Spend at least 8-10 hours a day reading updates from people you follow so that you can comment on their comments, making them feel wanted. As often as you can retweet the people you follow so they will do the same for you. Most people don't read most updates so not a big deal if you don't post anything. You don't have to post anything to get followers. Ask Oprah. She had thousands of followers day one, and with one post. Don't use some of the features like # for keywords. Even though Twitter put it into their system, they don't like people using it. Don't get followers to fast. You will get banned. Don't follow to fast, you will get banned. Completely automate it so that you don't actually have to go to twitter to post things. am I ranting....sorry, Twitter sucks eggs. and my sig? I made that toolbar when I thought twitter was great. I then realized it sucks. I keep it going though because it gets me a ton of traffic, and ton of back links from it. It is a great toolbar, so if you use firefox, download the best in my sig below.