Sure, there are lots of virtual worlds like EverQuest out there competing to get members to sign up. There Inc.'s approach is to entice members and keep them busy with one of the most fundamental human activities: commerce. By Daniel Terdiman.

This source talks about a place where you can buy add-ons for your games. This comes with billing and costumer service. It also comes with tools and many more features on the program.

This site tells about how commerce is becoming easier and cheaper online. It talks about the web and how you can see on certain sites what people commented about items. Also it gives facts about how digital commerce is increase through the years.

Who would say yes to text-message ads? Plenty of people, perhaps. Even though costs and opt-in rules may keep some users safe from spam, cell-phone advertising could be the next big thing in the United States. Randy Dotinga reports from San Diego.

This source defines what digital commerce and the good uses and bad uses of it. Another thing it talks about is how it can be legal and illegal. This site also has links to other sites that has examples of digital commerce articles.