---
schema: 1
type: term
title: customer zero
description: >-
  **Customer zero** — being the first and most demanding user of your own
  technology: dog-food your tools, build real products before frameworks, and
  extract the shared infrastructure (like the AI SDK) from that genuine usage
  rather than from hype.[^3ba531af-f9b4-5c19-a48d-e40e316704b2@217]
canonical: 'https://liquidgold.cc/channel/everyinc/explore/term/customer-zero-49227b39b5b3'
markdown: >-
  https://liquidgold.cc/channel/everyinc/explore/term/customer-zero-49227b39b5b3.md
llms: null
parent: 'https://liquidgold.cc/channel/everyinc/llms.txt'
channel: everyinc
updated: '2026-10-23T22:12:35.346Z'
language: null
children: []
---


# customer zero

Canonical: https://liquidgold.cc/channel/everyinc/explore/term/customer-zero-49227b39b5b3

Parent: [Channel index](https://liquidgold.cc/channel/everyinc/llms.txt)

## Definition

**Customer zero** — being the first and most demanding user of your own technology: dog-food your tools, build real products before frameworks, and extract the shared infrastructure (like the AI SDK) from that genuine usage rather than from hype.[^3ba531af-f9b4-5c19-a48d-e40e316704b2@217]

**Customer zero** in this channel's material is Guillermo Rauch's operating principle at Vercel — “we're always customer zero.” It means dog-fooding your own tools: be the first, most demanding user of the technology you build, and extract shared infrastructure from that real usage rather than from hype.[^3ba531af-f9b4-5c19-a48d-e40e316704b2@217] Concretely, the channel ties the idea to products before frameworks: the **AI SDK** (now a leading JavaScript framework for working with AI models) didn't come from chasing AI hype — it came from Vercel building real AI products like v0 and then extracting the shared infrastructure they had built for themselves. The model is **React and Meta**: people saw a great product and asked “how did they build that?” — so great products are their own best marketing, and the framework follows the product.[^3ba531af-f9b4-5c19-a48d-e40e316704b2@217] In the broader Building AI Products and Startups material, customer zero pairs with riding early, messy technology waves: spot the few drops before the wave, ship an opinionated solution for your own needs, and let a great product do the marketing before a framework ever exists.