Internet marketing takes on many different forms. You see the usual banner ads. You see affiliate offers promoted on a variety of sites via landing pages and blogs. You may have also seen advertising through social networks.

If you’re looking to reach the largest possible audience while retaining a good deal of control over your costs, Sponsored Tweets is something that you might want to add to your marketing mix. The service is not new, but it is among the best when it comes to Twitter-based marketing.

Basically, you can write your own custom sponsored tweet and then you can select the Twitter users that you would like to see send out this tweet. If you are a river rafting company, you’ll likely want to target adventurous Twitter users in your area. If you’re a restaurant, you’ll want to target the foodies.

The main service allows you to pay on a per-tweet basis (the price depends on the popularity of the Twitter user), but you can also set up opportunities on a CPC basis. Go to Sponsored Tweets for more information; it costs nothing to sign up and look around.