The most simple way to advertise on the Internet is by doing the Google AdSense program. If you have not heard of it yet, Google AdSense is free to sign up and a very good way to earn some money. Hubpages also uses Google AdSense for their traffic. You will get paid for the ads on most sites. Some sites pay about %50 and other pay only %20 of the advertisements. The way it works is simple. When people click on Google Ads from your advertised page, your host site will get paid. And then they will pay you a share of what they got. Sounds like a good deal to me! So, go ahead and try it.