If you get a chance, read the interview with the author. It's a good companion piece to the article, and maybe even to Why Nerds Are Unpopular:

"They've turned this word 'geek' into a term that's almost romantic in some ways, and through the Silicon economy, they've been massively innovative and economically important. A lot of them are running circles around the extroverts who are selling shoes. So I think part of what's happened lately is that the digital economy is giving introverts a new place in the sun."