I am very concerned with the general attitude towards cryonics and body preservation in general. People who reject these as worthwhile as far as I can tell fall into two primary camps: the probability of revival is too low to justify the monetary sacrifice or that personal identity is not transferred in the revival process. The first issue does not worry me much. Restoring brain function or some equivalent is an engineering problem, a practical problem. Monetary cost is an unfortunate problem, but it is also a practical problem. The other issue however is more of a philosophical one. Even if the technology to restore a preserved brain or upload it into... (read 1508 more words →)