"The city already has tech enclaves around Union Square and most notably now in Dumbo, Brooklyn. But of course there are reasons to remain skeptical of any future evolution. 'Regions around the world have tried for decades to replicate the Silicon Valley experience, without success,' AnnaLee Saxenian, a professor of urban planning and dean of the School of Information at the University of California, Berkeley, told me. 'There are also world-class technical universities all over that don't generate ongoing commercial innovation and economic growth.' (And research generally, in the aggregate, loses money, as some economists will tell you.)"