I have alot of ideas about projects I could do online and when I think the idea is easy to implement I usually look if a nice domain is available. I had a lot of domains before and this week I registered 2 more. This brings me to a total of 14 domains as of today. Many of them are unused, though.

How many domains do you have and what of them percentage is unused? Do you use some kind of domain parking service on those unused domains?