Classic Article: Predicting the Future
I'd estimate it was published in the second half of 2004 based on this comment, among others.
Quote:
But even more important, our book buyer at Borders told me at the end of June that sales of poker books have literally been “Phenomenal.”
Mason's commnets about books sales in the article indicate the increase in sales is something that had been going on for a while. So, it's not June of 2003 which would be immediately after Chris Moneymaker's WSOP win (and before it aired on ESPN).
By June of 2005, 1-2 no-limit hold 'em had started gaining popularity in Las Vegas casinos. In 2004, there were some sporadic games, but limit hold 'em was still totally dominant.
