The answer is way simpler than this article suggests. What's really happening: Energetic, technically inclined people are moving to SV from elsewhere to attend

The answer is way simpler than this article suggests. What's really happening: Energetic, technically inclined people are moving to SV from elsewhere to attend the best tech schools in the country, make contacts with the valley's huge network of tech investors, and land a job with Google/Facebook/Appple. Coffee shops and chance encounters play some role in spurring innovation. But what's really going on is that Silicon Valley's attracting innovators to come there.