AI.

Google's own spam filter docs name zero AI-authorship signals. Here's what actually gets a cold email flagged, and it isn't the model that wrote it.

HN wrote its unwritten rule down: no AI-generated comments. If you reply to buying signals there, the bar for sounding human just got official.

Fifteen tools for getting content seen across social platforms — schedulers, repurposing, listening, newsletter. What each is good at. Not a ranking.

Christmas shoppers ask ChatGPT for gift ideas. If OAI-SearchBot can't crawl your products, you're invisible. The 2026 listing playbook.

The signal economy: why intent-based outbound beats volume in 2026, the new operator stack, and where real-time intent graphs go from here.

Honest cost breakdown of building sales intelligence in-house vs buying. Scraping infra, LLM APIs, classifier engineering, enrichment, maintenance — actual numbers.

HackerNews monitoring with the Algolia API, a cron, and an optional LLM filter. The full setup costs nothing and replaces the $5K SDR tool you almost bought.

Ten extractable signals separate a buyer post from a vent post on Reddit. Here's how we score each one, the thresholds, and the false-positive traps.

We built Shadow Inbox with OpenClaw, an AI agent factory. Here's the agent role split, the 1-week MVP, the surprises, and what we'd do differently.

AI reply generators face a dilemma: fast and cheap is templated-with-extra-steps, slow and personalized is barely better. The third mode no one is building.

Classifying buying intent with LLMs is mostly about evidence quotation, temperature pinning, and not asking the model dumb questions. Here's what worked for us.