As you might've heard, popular custom ROM CyanogenMod 9 is introducing some changes in the way it handles root access. The gist of it is that root is now an option, not the default setting. It's still available if you need it, but you'll need to go into "developer options" and select whether you want apps, ADB or both to have root when you're done flashing your ROM.
As you'll see in our new video, if you try to run a root app without this setting enabled, you'll get a message directing you to the root setting. It's a bit like the "unknown sources" option that blocks non-Google Play apps by default -- enabled as standard for added security, but easy to bypass if you want.
We've got a quick video walkthrough after the jump.