What If the 21st Century Begins in 2014?

He addresses that idea in the article.

"First, let’s dismiss one parochial notion -- that the terrorist attacks of September 2001 were the major break point between centuries. Nonsense. We were engaged in the same struggle before and after. The U.S. shrugged off more damage during any month of World War II. Indeed, nothing could be more “twen-cen” or 20th century than the overwrought focus that some (not all) Americans apply to Sept. 11. Much of the world assigns no particular relevance to that date."

In other words, you're underemployed and don't have small children--prime circumstances to foster Internet anxiety addiction.

Directly counteracted by amazing new crypto technologies, a rising standard of living for everyone, better farming and sustenance techniques, a (successful) push for more efficient technology in general, the fact that there actually really isn't much mass extinction going around (not sure what you're referring to here), rapid development in fields like nanomachinery and nanomedicine, and the fact that technological equalization of destructive power could very easily be seen as a good thing.