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Nielsen's 3 UX Cliffs Mapped to Voice AI: 100ms Feels Instant, 300ms Alive, 800ms Dead

Nielsen's 3 UX Cliffs Mapped to Voice AI: 100ms Feels Instant, 300ms Alive, 800ms Dead

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6 min read
Realtime Participant Moderation in Node.js: Testing Stock Watchlists Without Flaky Timing

Realtime Participant Moderation in Node.js: Testing Stock Watchlists Without Flaky Timing

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6 min read
The Call That Hasn't Started Yet

The Call That Hasn't Started Yet

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10 min read
Building Random Video Chat in the Browser: The WebRTC Architecture Behind It

Building Random Video Chat in the Browser: The WebRTC Architecture Behind It

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4 min read
The Next Person Should Not Inherit Your Beauty Filter: Build a Reset-Safe Tencent RTC Camera Booth

The Next Person Should Not Inherit Your Beauty Filter: Build a Reset-Safe Tencent RTC Camera Booth

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11 min read
qrdrop: what 'no server' forces you to build

qrdrop: what 'no server' forces you to build

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9 min read
How Random Video Chat Works: A Practical Look at WebRTC, Signaling, STUN and TURN

How Random Video Chat Works: A Practical Look at WebRTC, Signaling, STUN and TURN

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5 min read
How to Ship AI in Real-Time Communications: A 7-Stage Adoption Framework for Engineering Teams

How to Ship AI in Real-Time Communications: A 7-Stage Adoption Framework for Engineering Teams

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7 min read
I built a coding-interview platform solo — live video + a shared editor + anti-cheat (WebRTC + CRDT + Judge0)

I built a coding-interview platform solo — live video + a shared editor + anti-cheat (WebRTC + CRDT + Judge0)

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1 min read
How I Built a Zero-Install, Multi-Gigabyte P2P File Transfer Engine in the Browser with WebRTC & File System Access API

How I Built a Zero-Install, Multi-Gigabyte P2P File Transfer Engine in the Browser with WebRTC & File System Access API

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3 min read
Browser Voice Interaction AI Pitfall Guide 2026 — 16 Common Traps with AEC, getUserMedia, and Headless Modes

Browser Voice Interaction AI Pitfall Guide 2026 — 16 Common Traps with AEC, getUserMedia, and Headless Modes

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5 min read
When an AI Avatar Keeps Replying to Its Own Voice — Writing 1,657 Lines of Band-Aids, Then Throwing Them All Away

When an AI Avatar Keeps Replying to Its Own Voice — Writing 1,657 Lines of Band-Aids, Then Throwing Them All Away

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9 min read
A Practical Framework for Testing AI Voice Agents Before They Hit Production

A Practical Framework for Testing AI Voice Agents Before They Hit Production

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4 min read
A practical guide to live streaming protocols, latency and scaling

A practical guide to live streaming protocols, latency and scaling

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5 min read
Minimal WebRTC: building a 1:1 call where camera, mic, and screen are independent tracks

Minimal WebRTC: building a 1:1 call where camera, mic, and screen are independent tracks

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4 min read
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