---
schema: 1
type: term
title: _core interaction_
description: >-
  The **_core interaction_** is the single, repeatable interaction a product is
  built around — the key action users take again and again, which is what makes
  the product sticky [^e780a42f-b16e-5a92-b18c-685de50ce822@0].
canonical: >-
  https://liquidgold.cc/channel/everyinc/explore/term/core-interaction-8dde5611d50d
markdown: >-
  https://liquidgold.cc/channel/everyinc/explore/term/core-interaction-8dde5611d50d.md
llms: null
parent: 'https://liquidgold.cc/channel/everyinc/llms.txt'
channel: everyinc
updated: '2026-10-23T22:12:35.346Z'
language: null
children: []
---


# \_core interaction\_

Canonical: https://liquidgold.cc/channel/everyinc/explore/term/core-interaction-8dde5611d50d

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

## Definition

The **_core interaction_** is the single, repeatable interaction a product is built around — the key action users take again and again, which is what makes the product sticky [^e780a42f-b16e-5a92-b18c-685de50ce822@0].

In this channel's material on building AI products and startups, **_core interaction_** names the one interaction a product is built around — the action users take again and again that makes the product *sticky* [^e780a42f-b16e-5a92-b18c-685de50ce822@0]. The founders profiled in this chapter — behind products like Granola — treat finding this interaction as a distinct step in the journey from a fuzzy AI product idea to a validated, defensible business: it sits between building fast and surviving the industry's structural pressures, and it is what makes people come back rather than try the product once [^e780a42f-b16e-5a92-b18c-685de50ce822@0].The material frames it as something you **find and validate**, not something you assume [^e780a42f-b16e-5a92-b18c-685de50ce822@0]:- Identify which single interaction delivers the product's core value.- Test whether that interaction is *sticky* — whether users repeat it on their own.- Build the rest of the product around it, so growth and distribution amplify the thing that already keeps people engaged.- The **core interaction** is the repeatable action at the heart of a product, and *stickiness* is the test of whether you have found it.- In this chapter it is treated as a discoverable, validatable step in building an AI startup — demonstrated by founders such as Chris Pedregal of Granola, not generic advice.- Exploring the chapter's patterns is meant to help you plan and validate your own AI product idea with concrete evidence of what keeps users engaged.