> Geographies. Will this system be global, or will it run in "silos" per region? Although I've only worked at Amazon for about a year, I've learned that you sh

> Geographies. Will this system be global, or will it run in "silos" per region? Although I've only worked at Amazon for about a year, I've learned that you should always consider building siloed/regionalized applications—if not, expect major headaches when the service needs to be deployed in multiple environments.