If he really wanted to disappear, he would delete his Flickr account, shut down his email address, and not say a word about where he is to anybody enough of an attention whore to pass the news along to Wired.
http://www.wired.com/vanish/2009/08/author-evan-ratliff-is-o...
Otherwise, he would just go sit in the woods for a month and it wouldn't be much of a game.