Having just finished the whole article, and it is a lengthy one, I have a couple points:
1) AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAH!
2) I've actually heard of the mirror treatment mentioned at the end, and know it to actually exist.
3) The article brought up some really cool theories about how we perceive the world. Namely that our senses give us barely enough information to actually do anything, and most of what we think they tell us is just the inference of memories and past experiences.
3) See point 1.