JIMCHI: My gut feeling is that they're not related, and I really hope I'm right. It's interesting that Mr. Christensen apparently discloses his real address, as one of the appendices shows a scan of a Charter One envelope addressed to him.
Anyway, a Google search found lots of references to an "Internet marketer" named Kirt Christensen, but this was my favorite link:
http://www.marketers-hall-of-fame.co...ristensen.html
Clearly, these are most amazing: The kirt christensen websites showing right here, and you may have a certain feeling that kirt christensen may never seem the same after you uncover any hidden Kirt Christensen and website promotion truths you learn about enduring principles behind these top kirt christensen resources, principles you can can naturally begin to use even more deeply over time...
He's also mentioned on another quality site,
http://www.howtogetrichontheinternet.com/ 
Kirt Christensen featured in...
Guaranteed Internet Profit$: How To Buy A Web Business, Finance It With It's Own Cash Flow, and Sell It In 18 Months For An $11 Million Gain!
I don't mean offense, and perhaps his secrets could indeed be worth $11 million....but Kirt, if you're reading this, I believe that you owe all of us an apology, especially to Marathon Man. Some of the appendix text (regarding activation of the cards, speed dial, etc.) appears to be lifted verbatim from his website. MM, any thoughts?