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CPU

What Is CPU Cache? L1, L2, and L3 Explained

CPU cache is the fast memory between the cores and main memory. What L1, L2, and L3 each do, why cache lines are 64 bytes, and when more cache actually makes a processor faster.

WebAuthn

WebAuthn Level 3: What's New in the Passkey Standard

WebAuthn Level 3 was proposed for W3C Recommendation in July 2026. Encryption key derivation, cross-domain credentials, and automatic list syncing are now first-class. Here is what changed.

Agentic AI

Everyone Bought AI Observability. Nobody Owns Agent Behavior.

The AI observability market split into four segments (infra telemetry, dev tooling, runtime security, autonomous remediation) with a wave of 2025-2026 acquisitions behind it. None of them own whether an agent behaved correctly.

GEO

Claude's Watermark Won't Derank You. Bad Content Will.

Dozens of people cancelled Claude subscriptions over a feature with no effect on their rankings. What the watermark actually is, why the copyright argument circulating about it is backwards, and the constraint that was binding all along.

Opinion

August 15: The Country That Taught Me to Build Before I Had Permission

India turns 79 today. Before any accelerator or investor, India installed the operating system I still build on: resourcefulness, jugaad, and the refusal to accept that something cannot be done. A reflection on going from back office to reference implementation.

AI

Your Data Isn't Ready for AI (And Why That's Actually Good News)

Your data isn't ready for AI, and that's good news. It means you found the problem before you built on it. What LoginRadius, GrackerAI, and LogicBalls taught me about the gap between organized data and AI-ready data, plus the 2025 numbers on why it sinks most projects.

AEO

10 Lessons From Tracking 50,000 AI Citations Across 6 Engines

Over 90 days I tracked how six AI search engines cite sources across 50,000+ B2B software responses. The data broke several assumptions the GEO industry treats as settled, starting with the idea that AI visibility is one thing you can optimize for.

GEO

What Black Hat Week Reveals About Security Marketing

Black Hat and DEF CON pull millions in marketing spend to Las Vegas this week. AI engines that buyers ask afterward do not weigh booth size. They weigh whether your research is structured, specific, and citable.