This document summarizes the history and evolution of Netflix's data platform architecture from 2010 to 2018. It describes Netflix's transition from an on-premise datacenter to using AWS for cloud and streaming in 2009-2011. It then outlines the key services and tools Netflix developed over time like Genie, Metacat, Kragle to handle data storage, processing, and analytics as their data and user base grew significantly from 2012-2018. The document emphasizes building for flexibility and change while avoiding duplicative work.