02Scale
5 min read
Six People and a National Signup Flow
HealthCare.gov launched on 1 October 2013. By the morning of 2 October, war-room notes recorded six successful enrolments.
Read the storyThe other side
of the diff.
Interfaces have consequences. Stories about the small details, the unexpected failures, and the craft of making software work for people.
Browse the storiesThe quiet
weight of
a default.
The Three Checkboxes That Moved Almost a Billion Dollars
On 11 August 2020, Citibank meant to send $7.8 million in interest. A silent default in Oracle Flexcube sent nearly $894 million instead, and three people signed off.
Worth a closer look.
03Friction
5 min read
The Button That Was Costing $300 Million a Year
Jared Spool's classic case study: a major $25B retailer's checkout forced Login or Register. The flow worked, and still cost hundreds of millions until someone watched real behaviour.
Read the story04Perspective
2 min read
A code diff is only part of the picture.
Why we’re building a review layer for the experience on the other side of a pull request.
Read the storyOur point of view
A code diff is only
part of the picture.
We write about the space between a change that looks correct and an experience that works.
From a diff.
To a clearer picture.
Explore a checkout review in the actual Diffraction viewer.
Explore the example