Does Amazon already have a tech hub in your city? Check here

An Amazon office building at 27 Melcher St. in Boston, which houses some of the 1,200 Amazon corporate staff who work in the greater Boston area. The newly refurbished building was formerly a Necco wafer candy factory. Amazon has 17 tech hubs in North America outside Seattle that employ more than 17,500 corporate, as opposed to warehouse and fulfillment, staff. That number is anticipated to rise to 26,200 by 2023. Here's where they are -- and why. Why: Silicon Valley is here, in addition to Stanford University, University of California-Berkeley and other universities with strong computer science and engineering programs.