I'm very stoopid with these license / gpl license issues and i have read the gpl license but still i'd like to know a few things:
1. Is it free for "commercial" sites? (for example if i'd design a site using cms made simple would it be ok)
2. Does there have to be any links or powered by tags? I understand that spreading the word is a good thing but i guess there are sites where they wouln't be prefered by the site owners.
3. How secure do you feel / think this is? I haven't had experience with cms / mysql sites and i'm a little worried that could they be hacked etc. easily compared to static html sites.
4. Can everything be customized? ie the admin panel. I'm not thinking of ripping off / or selling the software

I'm not sure if i'm making a whole lotta sense

Thanks for reading this far!
