Game mechanics. It makes sense, especially since perception needs some love after being gimped by the change in combat. The green flashlight in the PipBoy isn't new, I think I mentioned that before. In the first demo, Pete turned it on to move through the cave out of the vault. It has a kind of green-ish hue, but it's a flashlight. The radar has also been discussed before (again, we described it in our preview). I think gry is wrong, actually, it's not a part of the PipBoy - unless they're talking about a different radar. It's the thing you see in the bottom left, and it showing NPCs/enemies in green/red has been discussed to death by now. Why not? They're a pretty convenient object to use as currency. The Hub didn't just pick it at random, they make sense. What? No it isn't. I mean not really. Where is this coming from?