Talent attracts talent. Wealth attracts wealth. This cities work because there is a high concentration of wealth, talent and resources for them to produce big

Talent attracts talent. Wealth attracts wealth. This cities work because there is a high concentration of wealth, talent and resources for them to produce big wins over and over. Google and Facebook couldn't have been this successful anywhere else. Pg had a nice article on how other places can become sv like hubs.