Personal contact is my preferred way of communication. If you see me at a conference, do not hesitate to talk to me. If you can't talk to me in person, please use e-mail. If you take a second to compose a good subject line, your mail will not be confused with spam. This is my address:
Press releases should be directed to a different mail address, they might otherwise be confused with spam: firstname.lastname@example.org.
While I prefer e-mail, you can still talk to me or send me a fax. However, I often ignore the phone when I'd rather do something else. :-) Instant messaging is a good way to first establish that I am able to take your call right now.
Last but not least, I have a regular mail address for physical deliveries:
And a vCard for your mobile scanner: