Omnistar Tell is dynamic refer-a-friend software that starts a viral marketing campaign through an easy to modify "Tell a Friend" link that web visitors can use to share your site with their friends. Through Omnistar Tell’s extremely simple interface, you can edit the look of the "Tell a Friend" popup window and the e-mail messages the recipients will see. Plus you can send follow up emails to further promote your site later on with the click of a button.