Open Sourcing - what next?

After talking to quite a few people about my idea of open sourcing the course materials for my Rails course I decided to go ahead and just do it. The advantages outweigh the drawbacks as far as I can see them:

Advantages

Giving something back to the community -> Good karma
Having other people look over the documents could lead to ideas for improvement (what Scoble has had happen to his “Naked Conversations” book)
Having other people actually see that I’m doing something (Cory Doctorow commented that he was more worried about obscurity, than about people downloading his books)
Showing potential customers about what they can expect from the course

Drawbacks

Someone might use my materials fro their own course without attribution / proper licensing

I think the advantages far outweigh the drawbacks, so now I’m working on making this happen. I have to decide on a license and how best to share my work.