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# // Friday Five — October 2
- URL: https://adjacent.media/five/2026-10-02-five/
- Published: 2026-10-02T19:30:03.000Z
- Updated: 2026-10-02T19:30:03.000Z
- Description: This week was about the gap between who is responsible on paper and who is responsible in practice.
- Author: Jonathan Greene
- Tags: #friday-five, theme-connected, theme-culture

This week was about the gap between who is responsible on paper and who is responsible in practice. A free annual checkup that arrives with a bill, liability law with no answer for a failed printed part, AI statutes drafted on a schedule the technology has already outrun: each names an accountable party and none can enforce it. The tools moving fastest—from run data that claims to foresee injury to code approved with a glance through smart glasses—push decisions further from anyone a rule can reach.

Scout's Pick — Outlier

 Connected

### [Old product liability rules can still find someone to blame](https://adjacent.media/signals/3d-printings-liability-gap-remains-legally-unresolved/)

Here the responsible party remains contactable. Existing liability doctrine extends to designers, sellers, and printers, so established law may apply to new tools more broadly than anticipated.

Source: [Adjacent](https://adjacent.media/signals/3d-printings-liability-gap-remains-legally-unresolved/)

 Culture

### [The free annual checkup often arrives with a bill attached](https://adjacent.media/signals/insurance-companies-are-blocking-americans-from-their-free-annual-checkups/)

Statute names preventive care as free, but billing codes decide what that means in practice, and patients absorb the gap between the two.

Source: [Adjacent](https://adjacent.media/signals/insurance-companies-are-blocking-americans-from-their-free-annual-checkups/)

 Culture

### [AI rules are being written for technology that has moved on](https://adjacent.media/signals/congress-is-writing-ai-regulation-like-waterfall-software/)

Legislators draft laws on a calendar that trails the technology. Statutes regulate versions that have already changed.

Source: [Adjacent](https://adjacent.media/signals/congress-is-writing-ai-regulation-like-waterfall-software/)

 Connected

### [Running apps now make injury calls once left to clinicians](https://adjacent.media/signals/training-data-reveals-injury-patterns-weeks-before-runners-get-hurt/)

Training data issues compromise health forecasts made outside clinical frameworks, with no clear accountability when predictions fail.

Source: [Adjacent](https://adjacent.media/signals/training-data-reveals-injury-patterns-weeks-before-runners-get-hurt/)

 Connected

### [Code now ships on a glance through smart glasses](https://adjacent.media/signals/smart-glasses-become-ai-approval-interfaces/)

Approval shrinks to a gesture, shifting the decision away from deliberate review and diffusing accountability.

Source: [Adjacent](https://adjacent.media/signals/smart-glasses-become-ai-approval-interfaces/)

6 themes · 205 signals · 84 sources