> Have they looked at other permissions models? I believe that's the idea. To make the permissions more finer grained. However, that crosses the line of what c

> Have they looked at other permissions models? I believe that's the idea. To make the permissions more finer grained. However, that crosses the line of what can be automatically enforced by sandboxing -- chrome's permissions model is defined by what they can restrict via software. To make it more finer-grained, you need a review process, which Firefox has.