On 2006 Nov 06 , at 15:52, Sally wrote:

You can enter names to be included on a DVD that will be flown to Mars. You can print a certificate too. It just takes a minute.

The Planetary Society is now giving everybody a chance to be a part of this exciting mission:

http://planetary.org/special/fromearth/phoenix

Billy responded:

I dunno. Sounds like a potential galactic privacy issue to me. Do they want SSNs?