Changelog Noir
Product archaeology unit
Three interfaces. Nine clues.

Every change has a motive.

Compare each fictional app before and after. Tap three meaningful changes, then deduce the product decision behind them. No timer. Look closely.

Tap changed regions on either screen
BEFORE
AFTER

What was the motive?

Read the evidence as one product decision.

All files closed

You read the decisions hiding in the pixels.

A good interface diff shows what moved. Product archaeology asks why.