1. This is neat information: it's worth sharing. (I'm glad I ran into a discussion of it not long ago, because it helped me understand the sort of thing in this

1. This is neat information: it's worth sharing. (I'm glad I ran into a discussion of it not long ago, because it helped me understand the sort of thing in this comic. Come to think of it... was it mentioned in a what-if?) 2. This is also a pretty big spoiler, I'd think.