Interesting side point: the WSJ article was on HN first (http://news.ycombinator.com/item?id=3978537) but Forbes's rewrite of it got all the upvotes because the WSJ article is behind a paywall.
Probably part of the business plan for Forbes. "Watch WSJ, anytime they have a hidden gem, rewrite it and send it out." Forbes did it with the target targeting parents to be article with the New York Times:
http://www.forbes.com/sites/kashmirhill/2012/02/16/how-targe...
However you slice it, paywall is bothersome -- one more click to go through, with no added benefit. Let's hope the `netizens' will vote with their feet more often.