If you are in any way interested in internet marketing, then one of your focuses should really be Twitter. Twitter marketing is one of the largest growing marketing areas out there and with millions and millions of users, Twitter could potentially be a goldmine if approached correctly.So how to approach it correctly. Well for a start I have already written an article on making your profile look professional by adding a great custom Twitter background, but what about beyond that? How can you go about finding those targeted users with ease? Again, I have written an article on finding them by visiting your market leader’s Twitter page and adding their followers, but this can be incredibly time consuming and ultimately boring,and the idea of Twitter marketing is, with the exception of making lots of money, that you have fun with it!And that is where Twitter marketing software comes in. There are many examples of marketing software for Twitter out there, but the most widely-used is called TweetAdder. When I see it is widely-used, I mean that quite hastily as Twitter marketing software is still something a lot of people do not know about and this is why you should harness is and make the most of it before it booms. This kind of software can save you countless hours of time, by doing tasks that would take 5 minutes in one or two clicks of you mouse. This kind of Twitter marketing tool helps you find particular users followers, Twitter users who have Tweeted certain phrases, bio keywords and even location and add them to their database for you to follow at the click of a button. And then with a little more work, some automated tweets combined with some genuine, personal ones you’ll be on your way.Trouble is TweetAdder is expensive. To buy a full version it costs $188, which is quite an investment. Admittedly, the software is worth it, however not everyone has that kind of money to splash on a piece of Twitter marketing software. However, I think I may have found you an alternative.It is called Tweet Whistle and has, as far as I can tell, all the features that TweetAdder has, just in a slightly different interface. You can find users by their location, words they have tweeted, bio keywords and follow them by a certain user that they are already following. It also has a couple of tricks of it’s own too like giving you the opportunity to send your Tweets from a particular RSS feed, and it even has live feeds of your @mentions and your Direct Messages, both sent and received, which is something direly missing from TweetAdder, which as I say, is considered the best Twitter marketing tool around. You can also automate Tweet Whistle pretty much exactly like TweetAdder too including the ability to schedule tweets which is something missing from another Twitter marketing big boy, Hummingbird 2, which comes in at $97.So you would think that Tweet Whistle would cost somewhat less than TweetAdder, right? Maybe $50 less. Wrong. Maybe $75 less. Wrong again. I’ll just tell you.Tweet Whistle costs just $39.99. That is nearly $150 LESS than TweetAdder. Now I know you’re probably thinking that that means that it will be a much lesser software but again you would be wrong. We’ve been testing Twitter marketing tools for a long time now and Tweet Whistle, for our money, is no lesser a great tool for marketing on Twitter than TweetAdder or Hummingbird 2. We actually couldn’t recommend it more and is a piece of software we use in Twitter marketing campaigns on a daily basis.