I always have my PGP key signature on my business card for that reason.
I'm sure I'll be handing out a few (after I print some new ones without
my former employer's name on them).
-- Lee Daniel Crocker <email@example.com> <http://www.piclab.com/lcrocker.html> "All inventions or works of authorship original to me, herein and past, are placed irrevocably in the public domain, and may be used or modified for any purpose, without permission, attribution, or notification."--LDC