Twitter Buddy is your friend when it comes to dominating Twitter Marketing.It's a set-it & forget it type of system where using keywords/hashtags, Twitter Buddy goes to work. It will automatically search tweets containing those keywords, like, retweet as necessary & if person has a decent following, will send follow request.

It also keeps track of who follows you and You can setup periodic drip campaigns on your followers with value added direct messages. The goal is to keep it very simple, with non-techies in mind. You can simply turn ON/OFF things that you don't want Twitter Buddy to do.