You can contact me at the following email address:
joanna at invisiblethings dot org
Just in case you have something secret, here are my PGP details:
PGP Key fingerprint (you can also find it on my business card):
DDC2 2748 C82C 2849 B3B4 6FD8 3917 64A2 D7C4 5BCE
The PGP/GPG is here.
copyright (c) 2004-2008 Joanna Rutkowska