What to do: Cryonics Possibilities Matrix - Ralph Merkle

All-around great guy, Xerox PARC Nanotechnology Researcher, and Co-inventor of Public Key Cryptography with Diffie and Hellman. (First Implementation of Public Key System by Rivest, Shamir, and Adleman (RSA))

Possibilities Matrix:

It works It doesn't work
Sign up Live Die, lose life insurance
Do nothing Die Die