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Ideas, updates & field notes

Deep dives on AI-driven learning, product updates, and stories from builders shipping skills faster than ever.

Why AI tutors teach better than pre-recorded video

Static video belongs to the last decade. Here's how avatar-led instruction adapts to each learner in real time — and why retention jumps when it does.

Praveen L.·Apr 10, 2026· 8 min read

How we built skills123 on Next.js 15 and HeyGen

A tour through our stack: App Router, Prisma on Postgres, HeyGen for avatars, Gamma for slides, and why we chose DigitalOcean over the usual suspects.

Praveen L.·Apr 2, 2026· 12 min read

Four learner archetypes we designed for

The career switcher, the upskiller, the hobbyist, the team lead. Each needs something different — here's how we built for all four without bloat.

Research Team·Mar 24, 2026· 6 min read

Our pricing philosophy (and why Lifetime exists)

Most SaaS tools treat pricing as a black box. We're not most SaaS tools. Here's how we arrived at three tiers and why Lifetime is a real promise.

Praveen L.·Mar 18, 2026· 5 min read

Accessibility isn't a checklist — it's a design constraint

How we're approaching WCAG 2.1 AA, captions for avatar lessons, keyboard navigation, and what we still need to fix.

Design Team·Mar 10, 2026· 7 min read

Shipping in public: what we learned in the first 90 days

Lessons from building skills123 out in the open — the feedback loops, the embarrassing bugs, and the moments that kept us going.

Praveen L.·Mar 1, 2026· 9 min read

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