1. You cannot disable certain features of the browser (eg. Print, Copy etc.)
2. Disable right-click effectively
4. Make people not steal your work.
5. Protect your images.
6. Manipulate the browser
7. Hide menus
8. Disable certain options of the browser
Don't bother asking about this, we might not answer it.
If anyone wants to add anything else here, feel free to do so.