This may not seem like a big deal to some people, but until our ability to walk has been taken away, we may not fully realize how monumental this is. I have friends who do not have the use of their legs (and in some cases arms as well) and I have seen how crippling the injury is to their self esteem and dignity. I LOVED seeing this and consider it pretty much AMAZING. This technology is only going to get better and better and I am excited to see what it brings: