Links Lightning Talk ROROMEL https://docs.google.com/presentation/d/1sypN6L__HjgS7DbUN-I1UliAcEVPDdQYTk9zD4RloGA/edit?usp=sharing https://youtube.com/watch?v=xsOyNtL8t_I Version 2 - ROROSYD https://docs.google.com/presentation/d/1czNi9m3We_Ppj8AUrFV9bRFRGeLgJBnznI4GR8aPHhc/edit?usp=sharing Source Francis Hwang http://github.com/fhwang/event_sourced_record https://youtu.be/_pbO0yAxfH0 http://fhwang.net/2015/01/29/Event-Sourcing-with-Rails-A-Case-Study Martin Fowler http://martinfowler.com/eaaDev/EventSourcing.html