... Amazon has an opportunity to forge a new approach, one where big tech is neither savior nor antagonist. Jeff Bezos and his leadership team can apply the strategic thinking that has made Amazon such an extraordinary company to the task of building a tech hub that encourages growth and widens opportunity. 

This means breaking out of the bubble and redefining the corporate bottom line to include measures that reduce inequality, sustain existing small businesses and protect housing affordability, and, yes, even supporting cities in raising the tax revenue they need.

This isn’t an impossible dream. The secret of Silicon Valley wasn’t tax breaks and cheap real estate; it was a postwar era of generous public spending on research and education, as well as on affordable housing and public infrastructure. These investments were designed to help everyone, but they were critical to helping tech flourish.

No place or industry rules forever. Ask Detroit, once the most innovative place in America. The new capitals of tech should not take this prosperity for granted. ...