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AI · April 9, 2020

Butt AI

A toilet seat that identifies you by your butthole

Butt AI launched on April 9, 2020 with 102 votes, #475 of 5,003 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 6 years on.

What it does

This precision health smart toilet uses an array of four cameras to perform urinalysis, uroflowmetry, and stool analysis. The system also offers user-identification based on butthole photography ("analprinting").

Technologies for the longitudinal monitoring of a person’s health are poorly integrated with clinical workflows, and have rarely produced actionable biometric data for healthcare providers. Here, we describe easily deployable hardware and software for the long-term analysis of a user’s excreta through data collection and models of human health. The ‘smart’ toilet, which is

Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Technologies for the longitudinal monitoring of a person’s health are poorly integrated with clinical workflows, and have rarely produced actionable biometric data for healthcare providers. Here, we describe easily deployable hardware and software for the long-term analysis of a user’s excreta through data collection and models of human health. The ‘smart’…from idp.nature.com

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