Daily Surprise · Product prototype

Assumption Half-Life Lab

Watch product beliefs weaken with time, then intervene with evidence before they quietly become decisions.

Stored on this device

Confidence decay

Evidence interrupts the natural half-life of each belief.

Day 0 · Today
Assumption confidence over timeMultiple animated lines show confidence decaying over ninety days, with dots for evidence interventions.
Today
supporting evidencecontradicting evidenceTap a line’s card to isolate it
⌁
Time is evidence too.

Scrub forward to see which assumptions need attention first.