Tech Videos

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Teaching AI to Find Real Vulnerabilities — Prof. David Brumley, Bugcrowd is the standout presentation today for its rigorous, technically grounded breakdown of how to properly use Reinforcement Learning to train AI to find and exploit zero-day vulnerabilities in hardened targets like Chrome’s V8 engine. It cuts through AI marketing noise to demonstrate actual capabilities and the mechanics of evaluating multi-step exploit generation.

Highlights by Theme

Developer Tools & Platforms

GitHub released a brief demo, How to use voice prompting in the GitHub Copilot app, showing how developers can use voice input to brain-dump messy thoughts directly into prompts. While just a short marketing clip, it highlights the industry’s push toward lower-friction, multi-modal input for unblocking architecture planning rather than staring at a blank text box.

AI & Machine Learning

In Teaching AI to Find Real Vulnerabilities — Prof. David Brumley, Bugcrowd, Prof. David Brumley reveals that models like Mythos can achieve arbitrary code execution in Chrome’s V8 engine 73% of the time, arguing that single-bug synthetic benchmarks actually train LLMs to “reward hack” rather than deeply explore targets. Similarly focused on evaluation flaws, Rayan Garg notes in Rethinking Environments for Long-Horizon Work — Rayan Garg, Theta Software that existing software benchmarks lack state-change complexity, advocating for LLM “judge models” with environment access to properly verify multi-tool trajectories. On a more theoretical note, Grant Sanderson briefly argues in The Problem With How LLMs Generate Text - Grant Sanderson that the auto-regressive, next-token prediction paradigm inherently fails to incentivize the unlikely, creative connections that drive high-quality human reasoning.

Hardware & Infrastructure

Marques Brownlee reviews the new foldable flagship in Galaxy Z Fold 8 Review: Honeymoon’s Over, praising its Snapdragon 8 Elite chip, 4800 mAh silicon-carbon battery, and thin titanium design. However, he notes the $1,900 device is still plagued by unplayable app aspect ratios and mediocre cameras that lack a telephoto lens. On the financial side of infrastructure, David Sacks argues in David Sacks: The Chip Stock Crash is Based on Momentum, NOT Fundamentals that the recent 30-40% crash in AI memory chip stocks is simply a leveraged momentum trade unwinding, rather than a failure of AI capital expenditure to deliver long-term ROI.

Everything Else

Several clips feature historian Gary Gallagher on Lex Fridman’s podcast discussing the Civil War, notably highlighting in The genius of Abraham Lincoln - greatest president in US history | Gary Gallagher and Lex Fridman how Lincoln’s core advantage was his ability to sideline his ego and hire political rivals to win the war. Finally, in Friedberg: NYC’s Socialist Grocery Stores Will Be Wildly Popular and a Marketing Tool for 2028, David Friedberg theorizes that NYC’s subsidized grocery stores are a calculated, cheap marketing loss-leader meant to fuel the Democratic Socialists of America’s platform ahead of the 2028 elections.