operational transformation

Martin Kleppmann's GOTO Berlin 2016 talk on how collaborative editors, offline apps, and multi-datacenter databases handle concurrent updates. It covers conflict resolution approaches including operational transformation and CRDTs, with a worked look at text CRDTs.

The Grugq's Hack In The Box 2012 talk on operational security for hackers, drawing on hacker indictments and counter-intelligence research. It reviews OPSEC goals and methods for avoiding detection and arrest, with case studies of how hackers got caught.

A 10-minute 3Blue1Brown chapter explaining the determinant as the factor by which a linear transformation scales area or volume. It builds the idea geometrically with animations before any formulas.

Zoz's DEF CON 22 talk on operational security in the age of pervasive surveillance. He shows how hard it is to avoid mistakes even for people who should know better.

Ian Hubert shows how to use Blender's motion tracking to turn ordinary footage of a room into a stylized digital environment for an indie film. It is a quick, practical walkthrough in his loose, lazy-tutorial style.

Neil Fraser of Google presents Differential Synchronization, the algorithm behind MobWrite, for keeping multiple copies of a document in sync in real time. The talk argues the approach is robust, convergent and efficient.

Matthew Cole's Black Hat 2013 talk on operational security failures by CIA operatives. It covers the Abu Omar case and how sloppy tradecraft with cell phones exposed officers through call records and metadata.

Jon Bentley walks through three implementations of Hoare's Quicksort, from a dozen-line C function to a series of systematic code transformations that make the program ever simpler and more powerful. It is a Google Tech Talk on code elegance and program derivation.

A 2019 BBC News report by John Sudworth, who was given rare access to the secure facilities in Xinjiang where more than a million Muslims are thought to be held. Authorities call them training schools, and the report examines what the visit reveals about the system and conditions inside.

SpaceX's livestream of the Falcon Heavy test flight, including the launch, side booster landings and Tesla Roadster payload. It was the first launch of the most powerful operational rocket at the time.

Yaron Minsky of Jane Street shows how the OCaml Incremental library lets trading UIs express data transformations that are easy to read and efficient on streaming data. It includes a live table demo.

A DEF CON 30 talk by Sam Bent, a former darknet vendor, on operational security when using Tor and the darknet. He applies the hacker mindset to staying anonymous and avoiding capture.

Adrian Crenshaw's DEF CON 22 talk gives an overview of Tor and I2P, then goes through real cases where darknet users were caught. These include Silk Road and its operator.

Journalist Matthew Cole's Black Hat 2013 talk on the CIA's operational security failures in the 2003 Milan kidnapping. Phone and location metadata exposed the team and led to arrest warrants.

Anders Puck Nielsen analyzes the Nord Stream pipeline sabotage using Kilcullen's theory of liminal warfare and prospect theory. He argues from the operational design that Russia is the most likely culprit, then discusses how hybrid warfare might be used against Europe.

Cleared Defense Department footage of Raytheon's Phaser high-power microwave weapon bringing down drones during a 2013 live-fire demonstration at Fort Sill. Raytheon says it has halved the payload size and is offering the system for operational use.