The evidence continues to mount: Craig Newmark is killing the newspaper industry.

According to new data from Hitwise, traffic to online classified advertising sites increased 84% in February from a year ago. The sector has seen positive growth in all but one month over the last three years. And while hardly the only player in the game, the single biggest beneficiary of the trend is Craigslist. According to Hitwise, of the top 100 classified ad Web sites, all but 3 were localized versions of Craigslist.

And...