I have personally started doing online marketing when I was only 17 years old and put together my first social networking web site for internet marketers. It was a fail, but it got me into the game. After that, I started to accomplish affiliate marketing and now on to my products.
Let's hear on how YOU got your start in online marketing. I will be posting mine in a reply to this thread. But, this would help some newbies get on track + be interested to hear all the stories.