The Log: Real-time data's unifying abstraction (2013)

This article continues to be a fantastic introduction to the distributed log and all of the benefits it can bring a project as scaling becomes more complex. When I worked at Salesforce, we successfully implemented Apache Kafka and Storm into our Pardot product to ingest and process millions of user activities per day to progress users inside customer-created automated workflows. Having one source of time series truth is pretty cool.