Netflix had trouble as a consequence of an Amazon outage, but not in a simple way.
Netflix is designed to handle failure of all or part of a single availability zone in a region as we run across three zones and operate with no loss of functionality on two. We are working on ways of extending our resiliency to handle partial or complete regional outages.
https://medium.com/netflix-techblog/a-closer-look-at-the-christmas-eve-outage-d7b409a529ee
This postmortem links to Amazon’s: