Should you release a demo for your game?
I recently wrote a blog on Gamasutra about my experience with releasing the Infliction demo. The blog covers the technical problems I ran in to simply running the demo on Windows machines and how I overcame these issues. I also have learned a lot from this experience about what elements of my particular type of horror frighten people. This has lead to invaluable feedback. If you're interested in such things, you can check out the article here.