These are the various methods of contacting me, in order of preference. But you may use whichever you prefer:

E-mail
havard.skjaeveland@gmail.com (private)
havard@etrip.no (work)
IRC
I hang out in irc.foonetic.net #xkcd. I used to maintain a list of the regulars, but that's been superseded by Denizens.
Xbox Live gamertag
Hermiene
PSN (PlayStation Network) handle
Hermiene
Phone
(+47) 98828825 (I will respond in Norwegian, but will revert to English if you speak English. Note also that I'm a stutterer, although it's not that big of a problem)