Simple, you tweet the link of whatever you are trying to market and whoever is following you may see the link and eventually click it. You may have to tweet the eexact same link a couple times in order to get everybody on your follow list to see your link. If you need anymore help, feel free to PM me and follow me on twitter so you can get even more updates, I run a webmaster blog and forum, so I can help you. http://twitter.com/finalfracus