Either, Neither, or Both

I'm stealing this bit from a sports radio show I heard on the way to work this morning. This will be a new feature on BriWise. Unless of course nobody participates, in which case it will die the painless death it deserves. Anyway, the idea is that I throw a two non-exclusive choices out there and you tell me if you think either on or the other will occur or is true, if neither of them are/will, or both. You with me? On sports radio, they did it with two individual player performances on a team, but I'm going for a broader appeal. So, today's premise comes from my Brother-in-law Daniel's blog, which incidentally, is a very good read. They are building a transparent walkway that will loop out over the Grand Canyon. It looks like half a racetrack type oval. You'll be able to look four thousand feet STRAIGHT DOWN. So, your choices are: Incredibly Cool? Incredibly scary? Either, neither, or both?